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Air conditioning has become an essential feature in homes and businesses across the globe, particularly in areas that experience extreme weather conditions like Queensland.  Thesedays, its importance transcends mere comfort and choosing air conditioning is a no-brainer.  In many instances, air conditioning is crucial for survival, maintaining productivity, and ensuring optimal health.  As temperatures worldwide continue to climb due to climate change, the role of air conditioning in our daily lives is only expected to grow.

The benefits of air conditioning extend far beyond the immediate comfort of escaping the heat on a sweltering summer day.  It plays a pivotal role in safeguarding the elderly and those with chronic health conditions from heat-induced health risks, preserving the integrity of medications and electronics, and enabling businesses to operate efficiently regardless of the outdoor climate.  However, despite its prevalence and the relief it offers, there are numerous intriguing facts and milestones in the history and development of air conditioning that many are unaware of.

From its origins in industrial settings to its contribution to architectural innovation and public health, the story of air conditioning is filled with fascinating developments.  Innovations in technology have made modern systems more energy-efficient and environmentally friendly, while ongoing research continues to explore new ways to improve indoor air quality and combat the spread of airborne diseases.  As we delve into the top 7 things you didn’t know about air conditioning, we uncover the depth and breadth of its impact on our world, highlighting its evolution from a luxury to a necessity in ensuring our comfort, health, and well-being.

1.     Historical Cooling Methods Paved the Way

Throughout history, innovative cooling methods were developed by ancient civilizations, setting the stage for modern air conditioning systems.  Ancient Egyptians utilized evaporative cooling by hanging wet reeds in windows, cooling indoor air as the water evaporated.  This principle is similar to today’s evaporative coolers, especially effective in dry climates like southern regions of Australia.

The Romans implemented a form of radiant cooling, circulating aqueduct water through walls to cool their buildings.  This is similar to modern systems that use chilled water in floors or ceilings to absorb heat.  In the Persian Empire, wind catchers or “badgirs” were engineered to capture cool breezes and funnel them into buildings.  This is an early example of natural ventilation enhanced by evaporative cooling when air passed over water features.

Mediterranean architecture favored thick stone walls and minimal windows to reduce heat gain, leveraging the thermal mass of stone to naturally regulate indoor temperatures.  Courtyards and shaded areas provided comfortable outdoor spaces shielded from the sun, demonstrating an early understanding of passive cooling.

Ancient cooling techniques including thick stone walls and minimal windows

These ancient techniques were sustainable, relying on natural resources and passive methods without electricity.  They exemplify human adaptability, using available technologies to improve comfort in response to environmental challenges.  Today, while modern air conditioning provides immediate and controlled cooling, integrating the sustainability of ancient methods remains a goal.  This has become increasingly imporant as global climate change and energy conservation become critical.

These historical innovations inspire a future where cooling technologies are both effective and environmentally harmonious, blending the best of ancient wisdom with modern efficiency.

2.     The First Air Conditioner Wasn’t for Comfort

The invention of the first mechanical air conditioner by Willis Carrier in 1902 was a turning point in climate control technology,  However, it was initially designed not for human comfort but to solve a problem in the printing industry.  The Sackett-Wilhelms Lithographing and Publishing Company in Brooklyn, New York, faced significant challenges due to fluctuating humidity levels.  High humidity caused paper to expand and contract, misaligning the inks during printing and resulting in poor-quality prints.  Furthermore, humidity slowed ink drying, affecting production efficiency.

Carrier’s system tackled this issue by cooling air through coils chilled with water, effectively removing moisture and stabilizing the indoor environment.  This not only preserved paper dimensions, ensuring consistent quality prints, but also expedited ink drying times, boosting productivity.

While originally aimed at improving the printing process, Carrier’s invention laid the foundation for the air conditioners we use today.  It showcased the potential of mechanical cooling to enhance not just industrial processes but human comfort and well-being across various settings.

The development of air conditioning from an industrial tool to a staple of comfort living marks a significant evolution in technology, driven by changing societal needs.  Carrier’s work revolutionized indoor climate control, making it possible to manage temperature and humidity with precision, profoundly impacting our living and working environments.

3.     Air Conditioning Shaped Modern Architecture

The introduction of air conditioning has had a profound impact on architectural design.  It has reshaped our urban landscapes and altering the way buildings are conceived, especially in terms of modern building ventilation.  Prior to this innovation, architectural strategies for cooling were largely passive.  Buildings featured high ceilings to allow hot air to rise away from occupants, large windows to facilitate cross-ventilation, and spacious porches to provide shaded outdoor spaces.  These design choices were essential for comfort in the pre-air-conditioned world, as they were the primary means of mitigating indoor heat.

However, the invention of air conditioning radically changed architectural possibilities.  No longer constrained by the need to maximize natural ventilation, architects could explore new designs and materials.  This lead to the development of modern skyscrapers and the iconic glass-walled buildings that dominate contemporary city skylines.  The ability to control indoor climates mechanically meant that windows did not need to open, allowing for the use of floor-to-ceiling glass that brought natural light into spaces without the associated heat.

Commercial air conditioning allowing floor-to-ceiling glass

This technological advancement enabled architects to prioritise aesthetic and functional considerations over environmental adaptability, contributing to the evolution of modernist architecture.  The resulting shift toward sleek, minimalistic designs signified a departure from traditional architectural forms.

This illustrates how technological innovation can drive changes in design philosophy and urban planning.  The legacy of air conditioning in shaping modern architecture is a testament to the transformative power of technology in redefining our built environment.

4.     UVC Sterilization in HVAC Systems

Incorporating ultraviolet C light (UVC) sterilisation into modern Heating, Ventilation, and Air Conditioning (HVAC) systems marks a significant advancement in improving indoor air quality.  UVC is a type of ultraviolet light that has germicidal properties, effectively killing or inactivating microorganisms such as bacteria, viruses, and mold spores.  By integrating UVC lamps or modules into the ductwork of HVAC systems, it’s possible to purify the air circulated throughout homes and commercial spaces, thereby enhancing the health and well-being of occupants.

The principle behind UVC sterilisation in HVAC systems is simple yet powerful, making it an smart commercial solution.  As air moves through the system, it passes by UVC light sources installed within the ducts.  The ultraviolet light disrupts the DNA or RNA of pathogens, rendering them unable to reproduce and cause infection.  This process significantly reduces the concentration of airborne contaminants, contributing to a cleaner and healthier indoor environment.

The use of UVC sterilisation is particularly relevant in settings where air quality is paramount, such as healthcare facilities, laboratories, schools, offices, and homes.  It has become increasing common with heightened awareness of airborne transmission of diseases that followed the COVID outbreak.  Besides its effectiveness in eliminating pathogens, UVC sterilisation operates silently and unobtrusively, without introducing chemicals or odours into the air.

This technology not only addresses health concerns but also enhances HVAC system efficiency by keeping coils and other components clean.  UVC light thereby reduces maintenance needs and energy consumption.  As awareness of indoor air quality grows, the adoption of UVC sterilisation in HVAC systems is set to become an increasingly standard feature.  This underscores the role of innovative technologies in creating safer, healthier indoor spaces.

UVC clean air conditioning in hospital helping patients

5.     It’s a Life Saver

The invention of air conditioning has been a critical life-saving development, especially in mitigating the lethal effects of heat waves.  As global temperatures rise and heat waves become more frequent and intense, air conditioning has transitioned from a luxury to a necessity in many regions.  As a result, it has played a pivotal role in protecting vulnerable populations from the dangers of extreme heat.  Research supports this impact, revealing a marked decline in heat-related mortality in areas with widespread access to air conditioning.

The correlation between air conditioning and reduced death rates during periods of hot weather is significant.  By maintaining indoor environments at safe, comfortable temperatures, air conditioning helps prevent heatstroke and other heat-induced illnesses that can lead to fatalities.  This is particularly crucial for the elderly, children, and those with pre-existing health conditions, who are most at risk during extreme temperature spikes.

In addition, air conditioning contributes to public health and safety beyond individual homes.  Cooling centres equipped with air conditioning provide refuge for those without access to such amenities in their own living spaces.  Hospitals and emergency rooms also rely on air conditioning to ensure the wellbeing of patients and to maintain optimal conditions for medical staff and equipment.

The lifesaving role of air conditioning highlights the importance of sustainable and equitable cooling solutions.  As the demand for air conditioning grows, there is an increasing need for energy-efficient and environmentally friendly technologies to ensure that the benefits of cooling can be accessed widely without exacerbating climate change.  The development and adoption of such technologies are essential for continuing to protect lives during heat waves while minimising environmental impact.

6.     Energy Efficiency Advancements

The evolution of air conditioning systems has seen remarkable advancements in energy efficiency, driven by technological innovations and a growing emphasis on sustainability.  Modern systems have far surpassed their predecessors in terms of energy use, largely due to developments like inverter technology and zoning capabilities.  These features have revolutionised how air conditioning units operate, leading to significant reductions in energy consumption . Consequently, this leads to lower power bills and reduced environmental impact.  Choosing an energy efficient air conditioner has never been easier.

Inverter technology has been a game-changer in the air conditioning industry.  Traditional air conditioners operate at a constant speed, turning on and off to maintain a set temperature, which can lead to considerable energy wastage.  In contrast, inverter-driven systems can adjust their compressor speed dynamically, scaling up or down based on the room’s temperature demand.  This means they consume only as much power as needed to maintain comfort levels, enhancing energy efficiency dramatically.

AC Zoning capabilities represent another leap forward in efficient climate control.  By dividing a home or building into zones, these systems can target cooling efforts to specific areas that are occupied or require temperature regulation, rather than cooling the entire space uniformly.  This not only conserves energy but also allows for personalised comfort settings, catering to the preferences of different occupants.

Air conditioning zone controlled by iphone App as part of smart home system

Together, inverter technology and zoning capabilities embody the strides made toward greener, more efficient air conditioning solutions.  They reflect a broader trend in the HVAC industry towards minimising energy consumption while maximising comfort.  As concerns about energy costs and environmental sustainability continue to rise, these advancements highlight the air conditioning industry’s commitment to innovation and efficiency.  This is paving the way for future developments that will further reduce the carbon footprint of cooling technologies.

7.     The Impact on Global Productivity

Air conditioning has had a profound impact on global productivity, transforming how and where work can be performed.  By providing a cool, controlled environment, it has enabled people to maintain efficiency and comfort even under extreme heat conditions.  This advancement has been particularly critical in sectors like technology and manufacturing, where precise temperature control is not just a matter of comfort but a necessity for the operation and integrity of equipment and processes.

In the technology sector, server rooms and data centres, which are the backbone of the digital world, require constant cooling to prevent overheating and ensure the smooth functioning of servers and computers.  Air conditioning systems in these environments are meticulously designed to maintain specific temperatures, protecting sensitive electronic components from damage and avoiding data loss or system failures.

Similarly, in manufacturing, many processes depend on controlled temperatures to ensure product quality.  From the production of pharmaceuticals to the assembly of electronic devices, air conditioning ensures that the environment is conducive to intricate and delicate manufacturing processes.  This level of control is crucial for maintaining high standards of precision and excellence in production.

Air conditioning has also democratised productivity by making it feasible to work efficiently in locations that were once considered too harsh due to their hot climates.  This has opened up new economic opportunities in regions around the globe, contributing to economic development and growth.

The ability to create comfortable working environments regardless of external temperatures has not only boosted individual productivity but has also had a ripple effect on the global economy, fostering innovation and growth in various industries. As air conditioning becomes more accessible and energy-efficient, its role in supporting and sustaining global productivity continues to expand.  This highlights the significance of air conditioning in the modern world.

Combination of ancient air conditioning and modern day HVAC


Air conditioning stands as a testament to human ingenuity, transcending its initial role as a mere modern convenience to become a pivotal technology that has reshaped aspects of our daily lives, work environments, and architectural designs.  Originating from the need to control humidity in industrial settings, it has grown to play an integral role in public health by mitigating heat-related illnesses and enhancing indoor air quality through innovations like UVC sterilisation.  Furthermore, as the technology behind air conditioning advances, it brings into focus the critical balance between maintaining comfortable living conditions and prioritising energy efficiency.

The continuous evolution of air conditioning technology offers a host of benefits and capabilities that might not be widely recognised.  With advancements such as inverter technology and zoning capabilities, modern air conditioning systems not only provide tailored comfort but also significantly reduce energy consumption.  This echos the urgent call for sustainability in our changing world.  The impact of air conditioning on global productivity cannot be overstated, particularly in industries where precision and equipment operation are paramount.

As we look to the future, the potential for further innovation in air conditioning technology remains vast, promising enhanced efficiency, improved health benefits, and even greater contributions to global productivity.  Whether it’s upgrading to a more energy-efficient system, exploring zoning solutions for your home or business, or simply seeking the best maintenance practices, it’s essential to have a knowledgeable and experienced partner on your side.

Ice Blast is at the forefront of providing cutting-edge air conditioning solutions and expert advice tailored to your specific needs.  Whether you’re interested in the latest in air conditioning technology, seeking to improve your AC system’s energy efficiency, or curious about the benefits of UVC steriliaation, our team is ready to assist you.  Contact Ice Blast today to discover how we can help enhance your comfort, productivity, and well-being through the innovative use of air conditioning technology.

HVAC professionals in Brisbane understand the importance of having an energy-efficient air conditioner.  With the hot and humid climate of Brisbane, air conditioning is essential for keeping homes and businesses cool and comfortable.

However, running an air conditioner can be expensive and this can deter people from investing in such an essential appliance.  It’s important to find ways to save money on energy bills while still enjoying the benefits of air conditioning.

In this guide we’ll breakdown the key areas where you can make a difference in terms of efficiency and subsequent power bills.  Hopefully all readers will enjoy learning more about how to save money with when choosing air conditioning in Brisbane.  This outline will help with all stages of an air conditioner lifecycle.


There are many different types of air conditioner available, each with its own advantages and disadvantages.  One of the most popular types of air conditioners in Brisbane is ducted air conditioning systems, which are designed to cool an entire building.  Portable air conditioners are also popular in rentals, as they can be moved from room to room and house to house.

There are also still room air conditioners to be found around South-East Queensland, especially in Logan and Ipswich.  These are known as “box units” or “window-rattlers” and are installed in a window or wall and designed to cool a small single room.

These days, the more popular single room option is split-system air conditioners.  These have an outdoor unit and an indoor unit connected by a copper pipework.  Wall splits and ducted aircons can also form part of multi-head systems.  These are typically the recommended options for power savings, either alone or as a multi-head option.

In Brisbane, there are certain types of AC that should be avoided.  One primary example is an evaporative cooler.  These are designed for dry environments, and do not work in high-humidity environments like Queensland.  They just become an expensive power drain without providing adequate cooling.


One of the best ways to save money on your energy bills is to choose an energy-efficient air conditioner.  These air conditioners are designed to use less energy while still providing the same level of cooling as less efficient models.

When shopping for an energy-efficient air conditioner, look for models with a high energy star rating via the high Zoned Energy Rating Label (ZERL).  These ratings indicate that the air conditioner is designed to use less energy, which can help you save money on your energy bills.

The new Zoned Energy Rating Label for heat pumps air conditioners


Proper installation of an air conditioning system is crucial for ensuring optimal performance and energy efficiency.  It is important to have your air conditioning system installed by a professional HVAC technician who is experienced in installing the type of system you have chosen.   There are many mistakes that can be made with air conditioning installation, and these can decrease system efficiency.

A properly installed air conditioning system will operate more efficiently, providing better cooling while using less energy.  This can help you save money on your energy bills over the long term.  It will also help keep your home or business cool and comfortable, while avoiding unnecessary headaches.


Proper insulation is crucial for keeping your home or business cool and reducing your energy costs.  Insulation helps to keep cool air inside and prevent it from escaping through the walls, roof, and windows.  By insulating your property, you can reduce the workload on your air conditioning system and save money on your energy bills.

There are a range of different insulation materials worth considering.  A conversation with a builder is recommended to select the most suitable materials for your building.  An AC installer will also assess the types of insulation in place when calculating heat load and sizing up a new air conditioner.


Zoning is an important feature to consider when installing a ducted air conditioning system.  It allows you to control the temperature and airflow in specific rooms or areas of your property. This means you can adjust the temperature in different zones to suit your needs, which can help reduce energy usage and save you money on your energy bills.

There are many options available for zoning in Brisbane.  It’s recommended to consult with a ducted zoning expert for more advice on the differences.  You can also read about some of the most popular air conditioning zoning options on the market.


Another way to save money is to use ceiling fans or other fans to help circulate cool air throughout your home or business.  This can make the indoor area feel cooler without having to lower the temperature on your air conditioner, resulting in significant power savings.

Additionally, turning your air conditioning system on early in the morning on hot days can help cool your home or business before the heat of the day sets in.  This also reduces the workload on your air conditioning system and saving you money on energy bills.

Bearded man with air conditioner controller and piggy bank looking to adjust AC temp


One of the most effective ways to save money is to adjust the temperature settings on your air conditioner.  Even small adjustments can make a big difference in your energy usage.  For example, raising the temperature by just one degree can reduce your energy usage by 5-10%.

In Brisbane, it’s recommended to set your air conditioner to 24-26°C during the summer months and 18-20°C during the winter months.  These temperatures will provide a comfortable indoor environment while still keeping energy costs down.


Another way to save money on your energy bills is to invest in a smart thermostat or controller.  These devices allow you to control your air conditioning system remotely and set schedules for when it should turn on and off.
With smart AC controls, you can ensure that your air conditioning system is only running when it’s needed, which can help reduce your energy usage and save you money.  With added Wi-Fi, you can control the system when away from the home, which is handy if you’re left home and forgot to turn off or adjust the system.


Another way to save money on your energy bills is to schedule regular maintenance for your air conditioner.  Regular maintenance can help ensure that your air conditioner is running at peak efficiency, which can help reduce your energy usage.  The frequency of air conditioning service depends on many factors.

During a maintenance visit, a technician will inspect, test, clean, and check for any issues that could be impacting its performance.  By addressing these issues early, you can prevent more serious problems from developing.  This will certainly save you money in the long run.


Even with regular maintenance, air conditioning systems can still experience issues that require repairs.  In Brisbane, where air conditioners are used frequently, it’s important to address any signs that aircon repair needed promptly to prevent further damage and ensure optimal performance.

Common issues that may require aircon repairs include refrigerant leaks, compressor problems, and electrical issues.  If you notice any unusual noises, smells, or a decrease in performance, it’s best to contact a professional HVAC technician to diagnose and repair the issue.  Timely repairs can help extend the lifespan of your air conditioning system and save you money over time.


If your air conditioning system is old and inefficient, it may be time to consider upgrading to a more energy-efficient model.  Newer air conditioning systems are designed to use less energy while still providing the same level of cooling as older models.

By upgrading to a more energy-efficient system, you can reduce your energy usage and save money on your energy bills each quarter.  When faced with AC repairs, it’s recommended to weigh up the cost of AC replacement vs repair as it may be a more financially viable option overall.

Brisbane river and storey bridge with sun setting over west


There are many ways to save money on your energy bills while still enjoying the benefits of air conditioning in Brisbane.  By selecting the right type of AC, ensuring proper installation, insulation, and zoning, and using smart controls, you can reduce your energy usage and save money.

Correct settings, regular servicing, and timely repairs can also help keep your air conditioning system running at peak efficiency.  If your system is old and inefficient, consider upgrading to a more energy-efficient model to save even more money in the long run.

Take Action Now

Don’t wait any longer to start saving money on your energy bills.  Contact Ice Blast, a leading air conditioning company in Brisbane, to learn more about energy-efficient air conditioning options.

A team of experienced professionals can help you select, install, and maintain an energy-efficient air conditioning system that will keep you cool and comfortable while reducing your energy costs.

Visit the website, chat online, submit an enquiry form, email, or call today to get started!








Air conditioning units are crucial for maintaining comfort in our homes and workplaces, especially during the sweltering summer months.  However, like any other mechanical system, air conditioners require regular maintenance to operate efficiently and effectively.

The frequency of service can significantly impact not only the performance of your AC unit but also its lifespan and your indoor air quality (IAQ).  This comprehensive guide explores how often you should service your air conditioner, the signs that indicate it’s time for a check-up, and the benefits of sticking to a regular maintenance schedule.

Determining the Frequency of AC Service

The general recommendation by heating, ventilation, and air conditioning (HVAC) professionals is that you should have your air conditioner serviced at least once a year.  This annual service typically includes checking the system’s refrigerant pressures, testing the controller/thermostat accuracy, inspecting electrical components, monitoring the mechanical components, flushing out drains, and cleaning the condenser coils where needed.

However, several factors might result in more frequent servicing being required:

  • The type and age of your AC unit – Older units or those that run continuously (reaching end of life sooner) may need more attention.
  • Usage patterns and region – Homes in hotter climates like Brisbane and Northern Queensland where the AC runs more often might require six-monthly servicing.
  • Environmental factors – Units exposed to excessive dust or dander from pets might need additional care.

Signs Your Air Conditioner Needs Servicing

Waiting for the annual check-up might not always be enough.  Be on the lookout for the following signs that a service may be needed sooner rather than later, or even air conditioner repairs needed:

  • Decreased efficiency – If your energy bills have spiked or the unit struggles to maintain the set temperature, it might be time for a service.
  • Unusual noises – These can indicate a range of issues, from electrical problems to mechanical faults.
  • Odd odours – This can result from stale condensate water in drain or tray through to mould growth throughout indoor unit.

Benefits of Regular AC Maintenance

The benefits of functional air conditioning cannot be understated.  Regularly servicing of your air conditioner can lead to numerous benefits, including but not limited to:

  • Extended lifespan – Regular maintenance can prevent wear and tear from escalating into more serious issues.
  • Improved air quality – Clean filters and coils mean healthier air circulating in your space.
  • Efficient climate control – Maintained AC units require less energy to run and control indoor climate more effectively.

Energy efficiency air conditioner with man turning home aircon on and solar panels on roof

DIY Air Conditioner Maintenance Guide

While professional servicing is crucial, there are maintenance tasks you can perform yourself to help keep your AC in top condition between professional visits.  These DIY AC service tasks include but are not limited to:

  • Checking and cleaning the air filters – This simple task can significantly impact your AC’s efficiency and the quality of air in your home.
  • Checking and clearing the condensate drain – Ensuring this is clear can prevent water damage to the AC unit, wall/floor below the unit, and any personal items in its path.
  • Clearing around the units – It’s important to keep the area around indoor and outdoor unit clear to allow adequate air flow and help prevent foliage or animals creeping into condenser.

How Often to Service Air Conditioner

Recapping our discussion, the frequency of servicing your air conditioner depends on various factors, but aiming for at least an annual check-up is a good rule of thumb.  Paying attention to your unit’s performance and condition can help you determine if more frequent servicing is necessary.

Frequently Asked Questions

What are the risks of not servicing my air conditioner regularly?

Neglecting regular service of your air conditioner can lead to a range of issues, including reduced efficiency, higher energy bills, and premature system failure.  When an AC unit isn’t maintained, it has to work harder to cool your space, which puts extra strain on the system components.  This can cause wear and tear to accelerate, potentially leading to costly repairs or the need for an early replacement.

Additionally, a lack of maintenance can result in poor air quality.  Dirty filters and coils can harbour dust, pollen, and other pollutants.  This is where air conditioning can make you sick.

Can I perform any AC maintenance tasks myself?

Yes, there are several home air conditioner maintenance tasks you can perform yourself to help keep your air conditioner running smoothly between professional services.  The most important and easiest is regularly checking and cleaning the air filters when dirty.  This can significantly improve your AC unit’s efficiency and the quality of air in your home.

You can also easily keep the area around the outdoor unit clear of debris, leaves, and vegetation to ensure proper airflow.  Checking the condensate drain for clogs is another useful task that can help prevent water damage.  However, more technical tasks, such as checking refrigerant levels, testing electrical, and inspecting mechanical components, should be left to professionals.

How do I know if my air conditioner needs more than just servicing?

If your air conditioner is experiencing frequent breakdowns, not cooling as efficiently as it used to, or making unusual noises for an AC, even after regular servicing, it might need more than just maintenance.  These signs could indicate underlying issues that require repairs or, in some cases, a total system replacement.  An increase in energy bills despite routine maintenance is another indicator that your unit might be nearing the end of its useful life and struggling to maintain performance levels.

Professional HVAC service technician with money savings during service and inspection

What does a professional AC service include?

A professional AC service typically includes a comprehensive check of the entire system.  This involves inspecting and cleaning the condenser coils where appropriate, checking the refrigerant levels, testing the controller/thermostat for accuracy, inspecting mechanical parts, and examining the electrical connections for safety.

Technicians also lubricate moving parts to reduce friction, check/clean the air filter, and ensure the condensate drain is clear to prevent water damage.  These steps help in addressing potential issues before they turn into major problems, ensuring your air conditioner runs efficiently and effectively.

How can I find a reliable AC service provider?

Finding a reliable residential AC service provider requires a bit of research.  Start by asking for recommendations from friends, family, or neighbours who have had positive experiences with local service providers.  Online reviews and ratings on trusted platforms can also provide insights into the reliability and quality of services offered by different companies.  Look for providers with certifications and licenses, as these indicate professional training and adherence to industry standards.  It’s also beneficial to choose a service provider that offers clear, upfront pricing and guarantees on their work.


Regular maintenance is key to ensuring your air conditioner operates efficiently, provides healthy air, and has a long service life.  Adhering to a yearly service schedule, while also being vigilant for signs that your unit needs attention, can save you money and keep your space comfortable year-round.  Always remember, a well-maintained air conditioner is more reliable, efficient, and likely to serve you well through the heat.

If you or anyone you know need help with an air conditioner maintenance service in Brisbane, Ipswich, Logan, Gold Coast, or Sunshine Coast, reach out to our AC maintenance team today.


ABCDEF of Commercial Air Conditioning Service

In the modern-day world of commercial operations, the significance of an effective air conditioning system cannot be overstated.  Beyond merely providing comfort, a suitable commercial air conditioning setup plays a pivotal role in ensuring the smooth operation of businesses, safeguarding the health and well-being of employees and customers, and even influencing the bottom line.

As we start to explore the complexities of commercial air conditioning service, it becomes clear that a one-size-fits-all approach falls short of meeting the diverse air conditioning needs of different commercial environments.  Whether it’s a bustling shopping centre, a sprawling warehouse, a state-of-the-art laboratory, or a manufacturing plant, each has different HVAC maintenance demands.  A tailored strategy is recommended that considers unique factors such as area served, heat load, occupancy levels, and specific climate control requirements.

This guide aims to navigate through the essential considerations for commercial air conditioning service, summarised by the comprehensive ABCDEF framework: 

  • Assets
  • Business
  • Custom Requirement
  • Duty of Care
  • Environmental Impact
  • Frequency

By understanding and addressing these key areas, businesses can ensure their air conditioning systems are not only efficient and reliable but also compliant with regulatory standards and conducive to a sustainable future.   We’ll look at how to optimise the main types of commercial air conditioning installed to meet the demands of today’s fast-paced business environments, ensuring comfort, efficiency, and responsibility.

A for Assets

The variety of air conditioning systems used in commercial settings means that a tailored approach to AC maintenance is required.  Each type of AC unit comes with its own set of requirements for optimum operation and longevity.  Understanding the distinctions in AC maintenance needs is crucial for ensuring that these systems remain effective and efficient assets in a business.

Main Asset Types

Here’s how the maintenance demands differ among the primary types of commercial air conditioning systems:

Specialised Commercial AC Units

Commercial air conditioners are designed to meet the extensive demands of commercial application.  These units require regular professional maintenance to check key factors such as refrigerant levels, electrical connections, and wear on mechanical components.  Their advanced design and higher capacity mean that specialised knowledge is essential for troubleshooting and AC repairs, should this found to be required during routine maintenance.

Direct Expansion (DX) Systems

Direct expansion AC systems offer precise temperature control and depend heavily on the integrity of their direct refrigerant cycle.  AC maintenance on DX units focuses on ensuring there are no gas leaks, keeping the refrigerant at optimal levels, and verifying that the evaporator and condenser units are functioning correctly.  Regular checks of the coils and filters are also critical to help prevent any decrease in efficiency.

Central Air Conditioning Systems

Central plant AC relies on central equipment and a refrigerant cycle removed from the area served, in the form of water or air cooled chillers, cooling towers, or other condenser water system.  Given their centralised operation and interconnecting components, maintenance of these systems should be comprehensive.

Central AC maintenance involves ensuring the cleanliness and integrity of pipes/tubes, water treatments, supporting compressor efficiency, ensuring all equipment is free of obstructions, and maintaining proper functioning of fan coil units (FCU’s)/air handling units (AHU’s) and controls throughout the building.  This type of maintenance ensures even distribution of cooling and suitable heat removal.

Central HVAC plant and AC condenser part of commercial air conditioning gold coast

Asset Maintenance Requirements

Commercial AC maintenance requirements can be broadly categorised as follows:

Filter Inspection

Essential for all types of AC service in order to maintain air quality and system efficiency.  Filters are cleaned when needed and replaced when the media wears thin or in the case of disposable filters.

Coil Inspection

Critical for preventing airflow obstruction and maintaining heat exchange efficiency, especially in DX systems.  Evaporator coils and condenser coils require routine inspection and cleaning when required.

System Diagnostics

Necessary across all systems and service levels to identify potential issues early and help prevent downtime or costly repairs coming up where possible.

Air Delivery Inspection

Particularly important for rooftop package units and split ducted air conditioning systems to ensure efficient air distribution and help prevent indoor air quality issues.  All aspect of the system should be checked at some stage of AC maintenance, from fan coil units to ducts to supply air grilles.

A tailored approach to maintenance acknowledges the unique AC maintenance requirements of each type of air conditioning system.  By addressing the specific needs of AC units, businesses can ensure that their air conditioning systems continue to operate efficiently, providing comfortable conditions for occupants and preventing unnecessary energy consumption.  Proper maintenance not only extends the lifespan of these systems but also supports a business’s operational efficiency and sustainability goals.

B for Business

In addressing the “Business” component of commercial air conditioning service it’s crucial to recognise how the specific nature and requirements of a business can dictate the selection and management of its air conditioning systems.  This includes not only complex central air conditioning plant but also direct expansion (DX) units and residential air conditioners repurposed for commercial applications.

Main Business Types

Each type of AC unit type offers distinct advantages and challenges in the array of commercial settings:

Office Buildings

Central air conditioning systems are typically favoured for their ability to deliver consistent climate control across multiple floors and zones.   However, in smaller office settings or for businesses seeking a more straightforward solution, DX units provide a balance between performance and flexibility.  In smaller commercial settings, residential air conditioners offering a quick, budget-friendly alternative that can work perfectly well for certain commercial applications.

Manufacturing Plants and Warehouses

The intense heat that can be generated in these environments often calls for industrial air conditioning or central plant with larger cooling capacity than standard AC units can provide.  In some settings, DX units might still be used in specific sections that require targeted cooling, such as control rooms or areas housing sensitive equipment.  Larger DX units such as package units can also be applicable where there are smaller warehouse air conditioning requirements, such as storage or lower heat loads.

Healthcare Facilities and Laboratories

Precision climate control is critical in these settings, with central air conditioning systems usually being the go-to for their reliability and the extensive control they can offer.  DX units also play a crucial role in areas where specific temperature and humidity levels must be meticulously maintained.

Retail Spaces and Shopping Centres

These areas benefit from the scalability of central air conditioning systems, which can handle the extensive cooling demands of large, open spaces filled with customers.  However, smaller retail outlets within these centres might opt for DX units or even get away with residential air conditioners for individualised control and cost efficiency.

Shopping centre HVAC system on plant deck including commercial air conditioning equipment

Understanding the diverse needs of business environments is essential in choosing the right air conditioning system—whether it be a central AC system, a DX unit, or commercial application of a residential air conditioner.  For example, each decision relating to commercial air conditioning in Brisbane impacts not only the immediate comfort of occupants but also the long-term operational costs and efficiency of the business.

Maintenance for Business Types

Maintenance strategies for certain business types and chosen AC units vary significantly:

Large Scale Central Plant

Central air conditioning requires comprehensive care, focusing on heavy duty plant, chilled water equipment, and various delivery systems.  This requires a specialised HVAC technician.

Direct Control AC Units

DX units demand regular checks of airflow, refrigerant levels, electrical connections, and mechanical components.  This is also best left to the HVAC professionals.

Residential AC Units in Commercial Application

Residential air conditioners used in commercial settings often need more frequent filter maintenance and drain flushing to handle the heavier-than-designed usage.  For wall split systems, it can be helpful for staff onsite to know how to clean aircon filters between professional services.

In summary, the business type not only influences the selection of air conditioning systems but also dictates the maintenance approach required to ensure optimal performance, efficiency, and longevity. Tailoring both the choice and care of these systems to the specific needs of the business is crucial for maintaining a comfortable, healthy, and productive commercial environment.

C for Custom Requirements

“Custom Requirements” emphasises the pivotal role that unique operational needs of a business play in shaping the maintenance strategies for commercial air conditioning systems.  Recognising that each commercial environment presents specific challenges and requirements is crucial for developing an effective HVAC maintenance plan.

A tailored approach ensures that systems, whether they are complex central air conditioning setups, direct expansion units, or residential models applied to commercial use, continue to operate efficiently and effectively over their lifespan.  It takes a wide range of factors into account when setting up a suitable AC maintenance plan.

Main Custom Requirements

Understanding a business’s custom requirements is the first step in crafting a maintenance strategy that aligns with its specific needs:

Operational Demands

The intensity and nature of the space’s use directly influence maintenance needs.  High-traffic areas and high energy demand outlets, such as shopping centres and packed office spaces, may necessitate more frequent checks and AC maintenance to handle the increased heat load and to ensure consistent cooling provision.

System Complexity

The type of air conditioning system—a multi-faceted central system, a DX unit, or a simpler residential unit used in commercial application —determines the maintenance approach.  Central systems such as chillers, with their extensive delivery system and multiple components, require a comprehensive maintenance plan that covers all aspects of the system.

Environmental Controls

Spaces requiring precise temperature and humidity levels, such as data centres or healthcare facilities, demand maintenance strategies that focus on the reliability and accuracy of controls and sensors.  These strategies might include more frequent calibration and testing of system components to ensure environmental conditions remain within required parameters.

Energy Efficiency and Sustainability Objectives

For businesses prioritising energy efficiency, by choice or direction, maintenance plans must include regular system optimisation checks to ensure air conditioning units are operating at peak efficiency.  This could involve cleaning components like coils and filters more regularly, checking for leakages, and ensuring compressor efficiency is optimal.

commercial air conditioning technician during AC maintenance checking gas pressures

Implementing Custom Maintenance Plans

A custom maintenance plan might include the following elements, tailored to the business’s specific requirements:

Scheduled Inspections and Servicing

Determining the frequency of maintenance activities based on the system’s workload.  The business’s operational schedule should also be considered.

Predictive Maintenance

Utilising data and system diagnostics to anticipate and address potential issues before they escalate into costly repairs.  To find commercial AC repairs nearby can be a hassle and costly, so getting a head of them can be beneficial all around.

Responsive Adjustments

Adapting the maintenance plan as the business grows or as its needs change is essential.  This helps ensure the air conditioning system remains aligned with the business’s evolving requirements.

Customising maintenance according to the unique requirements of a business ensures that commercial air conditioning systems remain efficient, reliable, and effective in providing the desired climate control.  This approach not only prolongs the lifespan of the air conditioning assets but also supports the business’s operational efficiency and comfort for occupants.  Ultimately, this contributes to the business’s overall success.

D for Duty of Care

The “Duty of Care” aspect of commercial air conditioning maintenance highlights a business’s obligation to ensure the safety, comfort, and well-being of its employees, customers, and any visitors within its premises.  This responsibility is not only ethical but often legally mandated, requiring businesses to adhere to specific standards and regulations to maintain healthy indoor environments.

The maintenance of air conditioning systems plays a critical role in fulfilling this duty, as air conditioning directly impacts air quality, temperature control, and overall building safety.  These days indoor air quality (IAQ) in particular has never been more important.

Legal and Ethical Obligations

Businesses must navigate a complex landscape of health and safety regulations, including but not limited to:

Workplace Health and Safety Acts

Mandating the provision of a safe working environment, which includes maintaining indoor air quality and comfortable temperatures.  For Example, the WH&S Act 2011 in Queensland.

Building Codes and Standards

Such as AS/NZS 3666 (Microbial Control), AS 1851 (Maintenance of Fire Protection Systems and Equipment), and AS 1668 (Mechanical Ventilation and Indoor Air Quality), which outline specific requirements for HVAC systems.

Commercial Policies

Businesses are recommended to have policies in place outlining their commitment to becoming the best enterprise that they can.  This is for the benefit of all stakeholders.

Adhering to these regulations involves regular, comprehensive maintenance of air conditioning systems to ensure they function efficiently and safely.  In most commercial settings, this is required rather than just being a nice-to-have.

Maintenance as a Preventative Measure

Effective maintenance strategies are essential for mitigating risks associated with poor air conditioning performance, such as:

Air Quality

Regular filter inspection/cleaning/changing, duct and supply air cleaning, and system inspections prevent the buildup of pollutants and allergens, safeguarding against respiratory issues and ensuring a healthier environment.

Temperature and Humidity Control

Properly maintained systems are crucial for preventing extreme temperatures and humidity levels that can contribute to discomfort and health problems.

System Reliability

Routine checks and repairs when recommended reduce the risk of system failures that can cause significant disruptions and potential safety hazards, especially in critical settings like healthcare facilities.

Two safety contractors running through routine AC maintenance inspection checklist in laboratory

Implementing a Responsible Maintenance Program

To uphold their duty of care, businesses should:

Consult Industry Guidelines

Such as the AIRAH DA19 HVAC&R Maintenance Manual, to establish a benchmark for maintenance activities and schedules.

Customise Maintenance Plans

Tailor maintenance schedules and activities to the specific needs of the facility and its occupants, considering factors like system age, usage patterns, and environmental conditions.

Educate and Engage Stakeholders

Ensure that all commercial air conditioning stakeholders, including employees and tenants, are aware of the importance of AC maintenance and encourage their cooperation in reporting issues and adhering to guidelines.

In summary, the duty of care in the context of commercial air conditioning maintenance is a multifaceted responsibility that businesses must navigate carefully.  By implementing thorough and proactive AC maintenance strategies, businesses can not only comply with legal requirements but also demonstrate a commitment to the health and safety of all occupants.  This ultimately contributes to a more productive and positive environment, to the benefit of all.

E for Environmental Impact

In today’s increasingly eco-conscious world, the environmental impact of commercial air conditioning systems is a significant consideration for businesses.  With around 50% of building energy usage attributed to HVAC system, the need for energy efficiency is paramount for environmental and financial reasons.

This concern extends beyond the immediate operational footprint and extends to the broader implications of energy consumption, refrigerant usage, and overall sustainability practices within the commercial setting.  Effective maintenance strategies play a crucial role in mitigating the environmental impact of AC systems, highlighting the importance of eco-friendly practices in commercial air conditioning service.

Reducing Energy Consumption

A well-maintained air conditioning system operates more efficiently, leading to lower energy consumption and reduced greenhouse gas emissions.  Key maintenance activities that contribute to energy efficiency include:

Regular Cleaning and Servicing

Ensuring components like coils and filters are clean reduces strain on the system, allowing it to operate more efficiently.

System Optimisation

Adjusting settings and controls to match actual occupancy and usage patterns can significantly cut down on unnecessary cooling, further reducing energy use.

Leak Detection and Refrigerant Management

Preventing leaks and properly managing refrigerant pipework not only ensures the system operates efficiently but also minimises the release of potentially harmful refrigerants into the atmosphere.

Sustainable Practices

Beyond routine maintenance, adopting sustainable practices in the management of commercial air conditioning systems can further lessen environmental impact:

Eco-Friendly Refrigerants

Opting for refrigerants with a lower global warming potential (GWP) can significantly reduce a system’s environmental footprint.

Upgrading to Energy-Efficient Systems

When maintenance reveals that a system is nearing the end of its useful life, upgrading to a more energy-efficient model can offer long-term environmental benefits.

Incorporating Renewable Energy

Utilising renewable energy sources, such as solar power or geothermal, to operate air conditioning systems can drastically reduce reliance on fossil fuels.

Compliance and Contribution

Businesses also have a responsibility to comply with environmental regulations and standards that govern the operation and maintenance of air conditioning systems.  This includes:

Environmental Legislation

Adhering to laws and regulations designed to protect the environment, such as those regulating the use and disposal of refrigerants.

Industry Standards

Following best practices and standards that promote sustainability and environmental responsibly in HVAC operations.

By focusing on the environmental impact of air conditioning systems, businesses not only fulfill their duty towards environmental sustainability but also often realise financial benefits through reduced operational costs.  This highlights how commercial AC maintenance can be a multi-beneficial solution.

Furthermore, adopting eco-friendly practices and prioritising maintenance that supports energy efficiency and reduced emissions contributes positively to a business’s reputation.  This enhances business appeal to environmentally conscious consumers and employees, especially the younger generations.

commercial air conditioning maintenance set up with greenery in office layout

In essence, “Environmental Impact” underscores the vital role that maintenance and sustainable practices play in minimising the ecological footprint of commercial air conditioning systems.  Ideally, this would align business operations with the broader goals of environmental responsibility and sustainability.

F for Frequency

The “Frequency” aspect of commercial air conditioning service is crucial in determining how effectively a maintenance program can support system efficiency, longevity, and reliability.  The right AC maintenance frequency ensures that AC units are kept in optimal working condition, reducing the likelihood of breakdowns, and extending the life of the equipment.

This section outlines how the frequency of maintenance checks and services can be tailored to meet the unique demands of different commercial settings.  This helps to maximise operational efficiency and minimise environmental impact.

Determining Maintenance Frequency

Several factors influence the appropriate frequency for servicing commercial air conditioning systems:

System Type and Complexity

Central AC systems, with their extensive and complex components like chillers and cooling towers, may require more frequent maintenance than simpler DX units or residential models used in commercial spaces.

Usage Patterns

High-traffic areas or facilities that operate around the clock, such as hospitals and 24-hour retail centres, put more demand on air conditioning systems, necessitating more frequent checks and AC maintenance.  This is also true of server room units and AC equipment used in beauty and pet care outlets.

Environmental Conditions

Systems operating in environments with high levels of pollutants or dust may require more regular filter changes and cleaning to maintain air quality and system efficiency.

Manufacturer Recommendations

Adhering to the maintenance schedules recommended by the system’s manufacturer can help ensure optimal performance and avoid voiding warranties.  Making note of brand-specific requirements is important when putting together commercial AC maintenance plans.

Benefits of Optimal Maintenance Frequency

Maintaining the correct frequency of air conditioning service brings several benefits:

Enhanced System Efficiency

Regular maintenance prevents the buildup of dirt and debris, which can reduce system efficiency and increase energy consumption.  While choosing an energy efficient air conditioner upfront can helpful, ongoing maintenance is almost more important.

Improved Reliability

Frequent checks can identify and rectify potential issues before they lead to system failures, reducing downtime and the need for costly emergency repairs.  Like all equipment in a workplace, reliability saves a lot of hassle.

Extended Equipment Lifespan

By addressing wear and tear proactively, maintenance can extend the operational life of air conditioning units.  This delays the need for replacements, saving an organisation significant money long term.

Reduced Environmental Impact

Efficiently operating systems consume less energy, contributing to lower carbon emissions and aligning with sustainability goals.  Win-Win-Win!

Implementing a Frequency Plan

Creating a maintenance schedule that reflects the specific needs of a business involves:

Assessment and Planning

Evaluating the system’s current condition, operational demands, and any historical issues to inform a tailored maintenance plan.


Being prepared to adjust the frequency of maintenance in response to changes in usage patterns, expansions, or upgrades to the air conditioning system.

Documentation and Review

Keeping detailed records of all maintenance activities and regularly reviewing the plan to ensure it continues to meet the needs of the existing equipment.

The frequency of maintenance is a dynamic element that should be carefully managed to align with the operational requirements and goals of a business.  By establishing and adhering to a maintenance schedule that considers the unique aspects of their air conditioning systems, businesses can ensure optimal performance, contribute to environmental sustainability, and provide a comfortable and healthy environment for occupants.

Commercial air conditioning service with three HVAC technicians on Brisbane rooftop


In conclusion, navigating the complexities of commercial air conditioning service is an intricate process that requires careful consideration via the ABCDEF framework: Assets, Business, Custom Requirements, Duty of Care, Environmental Impact, and Frequency.  By understanding and addressing each of these critical aspects, businesses can ensure their air conditioning systems are not only efficient and reliable but also compliant with legal standards, environmentally responsible, and tailored to their unique operational needs.

The journey through the ABCDEF of commercial air conditioning service highlights the importance of a holistic approach to HVAC maintenance.  From selecting the right assets and aligning them with business operations to customising maintenance schedules based on specific requirements, businesses are called to act with a sense of duty to their occupants and the environment.  Once optimised, the frequency of maintenance plays a pivotal role in sustaining system performance, extending equipment lifespan, and minimising the ecological footprint of commercial air conditioning operations.

As businesses strive to create comfortable, healthy, and productive environments for their employees and customers, the role of comprehensive air conditioning service and maintenance cannot be overstated.  It not only ensures the operational efficiency and sustainability of HVAC systems but also reflects a business’s commitment to safety, comfort, and environmental stewardship.

Looking ahead, businesses must continue to adapt and evolve their air conditioning maintenance strategies to meet changing regulations, technological advancements, and shifting environmental priorities.  By doing so, they not only safeguard their operational interests but also contribute to a larger collective effort towards sustainability and responsible business practices.  The cost of air conditioning service is so much more than just dollar amount.

In essence, the effective management of commercial air conditioning systems represents a significant step towards achieving a balance between business objectives and environmental responsibilities.  This marks a path forward for businesses committed to excellence and sustainability in all facets of their operations.

Elevate Your Commercial Air Conditioning Maintenance

Ready to elevate your commercial air conditioning service to the next level?  Embrace the comprehensive approach outlined in our guide and take the first step towards optimising your HVAC systems today.  Whether you’re assessing your assets, tailoring services to your business needs, or aiming to reduce your environmental impact, the time to act is now.

Don’t let the complexities of air conditioning maintenance hold your business back.  Contact a professional HVAC service company to schedule a comprehensive assessment of your systems, and start crafting a maintenance plan that aligns with your unique operational requirements and sustainability goals.  Remember, proactive maintenance is key to ensuring efficiency, reliability, and longevity of your air conditioning systems.

Join the ranks of smart businesses that prioritise comfort, safety, and environmental responsibility.  Take action today to ensure your air conditioning service meets the highest standards of excellence and sustainability.  Your employees, customers, and the planet will thank you!

Brisbane is the heart and capital of the Sunshine State, located in South East Queensland.  There, the sun reigns supreme all year round while humidity and temperatures soar in the Summer months.  As a result, the importance of reliable commercial air conditioning cannot be overstated.

After decades of HVAC experience navigating the unique climate challenges of this vibrant capital city, we have witnessed firsthand the game-changing impact that effective commercial air conditioning can have on businesses.  More specifically, the impact on the people of Brisbane has been the most rewarding part of our commercial air conditioning service.

From the wealth of knowledge and insight gathered during countless AC installations, routine maintenance, and aircon repairs, we continue to empower business owners with the tools to create optimal working environments.  While there are many benefits of air conditioning, our focus here is on the various stakeholders of commercial air conditioning Brisbane.

Modern air conditioning systems go well beyond simple temperature control.  Technological advancements see commercial AC system offering enhanced indoor air quality (IAQ), reduced energy consumption, precise climate control, and tailored design to the specific needs of a building.

Commercial air conditioning systems in Brisbane workplaces can serve as the backbone of productivity, health, and customer satisfaction.  These can be viewed as an investment in the well-being of employees and the success of your business.

Through this article, we’ll explore some of aspects of Brisbane air conditioning, focusing on the correlation between a comfortable workplace and a booming business.  From improving employee focus and efficiency to creating a cool and inviting atmosphere for customers, the right air conditioning solution can enhance every aspect of a business.   Let’s uncover the many stakeholders of commercial air conditioning and highlight how AC can ensuring business remain competitive in Brisbane’s dynamic market.


Creating an environment that enhances productivity and employee wellbeing is critical in today’s employment market.  Skilled worker shortages are increasingly common in Australia, so businesses need to offer a certain level of workplace comfort to help attract and retain employees.  Commercial air conditioning plays a pivotal role in achieving this, especially in hot and humid regions like Brisbane.

1. Enhanced Focus and Efficiency

Extremes in temperature can lead to decreased concentration and increased errors from employees.  Suitable air conditioning maintains a consistent, comfortable temperatures indoors, allowing staff to focus better and work more efficiently.  Studies have shown that workplaces with climate control see an increase in worker productivity.

Employee sitting at desk working productively with air conditioner

2. Improved Health and Reduced Absenteeism

High-quality heating, ventilation and air conditioning (HVAC) system not only cools the air but also introduces fresh air and helps filter out pollutants and allergens.  This can lead to a healthier workplace, reducing the incidence of respiratory conditions and allergies among team member.  A reduction in airborne diseases can significantly decrease absenteeism, ensuring that critical projects and work tasks do not suffer due to frequent sick leave.  These are just some of the health impacts of air conditioning.

3. Increased Morale and Job Satisfaction

Employees working in comfortable conditions are more likely to report higher job satisfaction.  This positive outlook can enhance team morale, foster a collaborative work environment, and reduce turnover rates.  Satisfied employees are more engaged, contributing to a positive company culture and driving the business forward.  All these outcomes are advantageous for the employees, customers, and business.

4. Adaptability to Different Workspaces

Modern air conditioning systems offer flexible design and settings to cater to the unique needs of different workspaces within a single business.  These days you can find the hustle and bustle of an open-planned office as well as the quiet, focused environment of private work room.  Commercial air conditioning can be adjusted to ensure optimal conditions across all area types.

5. Sustainability and Cost Savings

Energy-efficient air conditioning systems can significantly reduce electricity bills.  This in turn contributed to lower operational costs, less overheads, and reduced impact on the environment.  This helps to reduce the burden on employees as Queensland labour costs are at an all-time high.  Meanwhile, environmental impact is a important factor to the younger generation of worker.

By prioritizing the implementation of effective commercial air conditioning solutions, Brisbane businesses can create a productive, healthy, and satisfied workforce.  This investment not only enhances employee well-being but also drives business success through improved performance and reduced operational costs.


The culture and ambiance of a business plays an important role in the customer experience and level of satisfaction.  In Brisbane’s hot and humid climate, commercial air conditioning is not just a luxury; it’s a necessity that significantly impacts customer perceptions and decisions.

1. Enhanced Customer Experience

A cool and comfy environment welcomes customers, encouraging them to stay longer and purchase more.  Retail stores, restaurants, and service providers see a direct correlation between ambient comfort and customer dwell time, directly influencing sales and service uptake.  Significant research has been undertaken to outline design factors that enhance visitor experience, including but not limited to temperature, humidity, ventilation, and air quality.

2. Positive First Impressions

The initial comfort level felt by customers as they enter a business can set the tone for their entire experience.  First impressions really count!  Commercial air conditioning systems help ensure that first impressions are positive.  They allow a business to establish and foster a professional image that customers remember and appreciate.

3. Improved Service Perceptions

In service-oriented businesses, the physical comfort of customers can enhance their perception of the service quality.  A pleasant environment can make waiting times feel shorter and services more enjoyable.  Overall, this contributed to higher customer satisfaction levels.

4. Repeat Business and Loyalty.

Customers are more likely to return to businesses where they feel comfortable and cared about.  By maintaining an optimal indoor climate, businesses can foster loyalty and encourage customers to choose them over competitors.


5. Word-of-Mouth Recommendations

Satisfied customers are invaluable marketing assets.  Positive experiences driven by comfortable shopping or service environments can lead to recommendations and reviews.  This is a power way of attracting new customers through trusted word-of-mouth.  Humans trust other humans over businesses.

Investing in a commercial air conditioning Brisbane is an investment in customer satisfaction and business growth.  By creating an inviting atmosphere, Brisbane businesses can enhance customer experiences, foster loyalty, and ultimately drive success.

Business Owners

The installation and maintenance of Brisbane commercial air conditioning is not just about providing comfort.  For savvy business owners, it’s a multifaceted investment that propels business growth, enhances operational efficiency, and cultivates a positive brand image.

1. Driving Business Growth

Comfortable environments directly contribute to increased employee productivity and customer satisfaction, leading to higher sales and service engagement.

2. Operational Cost Efficiency

Modern air conditioning systems are designed with energy efficiency in mind.  This includes significant savings on electricity bills and increased lifespan of HVAC equipment.  This reduction in operational costs long term can be reinvested into other areas of the business.

3. Sustainability and Corporate Responsibility

Firstly, saving on energy bills also means a saving to the environment by contributing to less CO2 emissions.  Furthermore, by opting for eco-friendly air conditioning solutions, businesses can reduce their carbon footprint, aligning with global sustainability goals and appealing to environmentally conscious consumers.

4. Enhanced Brand Image

A commitment to providing a comfortable environment for employees and customers reflects positively on a business’s brand.  This helps to enhance its reputation in the competitive Brisbane market.  Environmentally friendly commercial air conditioning choices can also enhance business reputation, especially with the younger generations.

5. Risk Management and Compliance

Ensuring that air conditioning systems are up-to-date and compliant with current regulations mitigates the risk of fines and penalties.  Compliance is one of the main reasons why commercial air conditioning is so important.  Beyond the legal reason, Brisbane air conditioning also helps maintain the safety and well-being of both employees and customers.  This proactive approach to risk management can safeguard against operational disruptions and ensure business continuity.

Investing in quality commercial air conditioning is a strategic move for business owners.  It leads to tangible benefits in business performance, cost savings, environmental responsibility, brand perception, and risk management.

Suppliers and Contractors

The relationship between businesses and their air conditioning suppliers and contractors is vital.  There are surprising benefits that commercial air conditioning can contribute to.

1. Customized Solutions

Suppliers and contractors can provide tailored air conditioning systems that meet the specific needs of each business.  This helps to maximise impact, promote efficiency, and support comfort.

Commercial ducted air conditioning design with blueprints in office

2. Technical Expertise and Support

Access to professional advice and ongoing support helps businesses maintain optimal performance of their air conditioning systems.  Suppliers and contractors are a large part of the support system.

3. Innovative Technology

Suppliers must stay up to date and typically able to provide the latest in air conditioning technology.  This gives businesses a competitive edge in sustainability and energy efficiency.  This helps the business while also helping suppliers increase sales.

4. Cost-Effective Maintenance Plans

Routine, professional commercial air conditioning maintenance extends the life of air conditioning systems and prevents costly breakdowns.  This obviously supports the business, as well as providing predicable work and income for a commercial air conditioning service provider.

5. Regulatory Compliance

Expert contractors ensure that installations and maintenance practices comply with some of the many essential business regulations.  This significantly reduces legal risks for businesses.  It also reduces the number of things a typical business owner has to worry about.

A strong partnership between businesses and their air conditioning providers supports sustained operational success.  This can be achieved in many ways, including tailored designs, expert advice, use of the latest technologies, cost-effective maintenance, and legal compliance.

Local Community and Environment

The adoption of energy-efficient commercial air conditioning systems has a profound impact beyond the immediate business benefits.  The list of air conditioning benefits is extensive, but we’ll focus on 5 key points in this section.

1. Community Health and Comfort

Businesses contribute to a healthier local environment by reducing pollutants and improving air quality, indoor and out.  This in turn benefits the wider community.

2. Energy Conservation

An efficient commercial air conditioning systems use less electricity.  This reduces the strain on local energy resources and helps contribute to Brisbane business sustainability goals.  It all starts with choosing an energy-efficient air conditioner suitable for commercial application.

3. Reduced Carbon Footprint

By minimising greenhouse gas emissions, businesses play a crucial part in combating climate change.  This aligns with not only local but also global environmental efforts.

Ceiling mounted cassette type air conditioner in Brisbane commercial setting

4. Economic Benefits

Investing in efficient commercial air conditioning can stimulate the local economy by creating jobs.  Jobs can arise in the green technology sector, in the HVAC trade, and in the businesses benefiting from attractive climate control.

5. Educational Opportunities

Businesses can lead by example in the efficient commercial air conditioning space.  They can do this by educating their customers and the community about the importance of energy efficiency and environmental stewardship.

By focusing on sustainable practices, businesses not only enhance their operational efficiency and brand image but also contribute significantly to the welfare of the local community and the environment.  This is certainly a win-win-win scenario; business, community, and the environment.

Regulatory Bodies and Energy Companies

Collaboration with regulatory bodies and energy companies is essential for modern businesses.  In the context of Brisbane commercial air conditioning, partnership can yield several benefits.

1. Compliance with Regulations

Ensuring air conditioning systems meet current legal standards helps businesses avoid fines and sanctions.  This is a critical point for business owners, and a reliable Brisbane air conditioning company can assist here.

2. Access to Incentives and Programs

The Australian and Queensland are increasing the number of incentives on offer for businesses that install energy-efficient systems.  Grants, subsidies, and rebates will only increase, until such time as efficient commercial air conditioning become mandatory.  The Government also offers free access to many energy-saving support programs.

3. Enhanced Reputation

Companies that proactively engage with energy regulations are seen as industry leaders in sustainability.  Certain programs promote engaged business online, such as ecoBiz.  It certainly pays to be engaged in energy saving initiatives, over and above the direct cost savings available.

4. Technical Assistance.

Regulatory bodies and energy companies often provide technical support and resources to help businesses optimise their energy usage.  No one is expecting a business owner to wear any more hats!.  The expertise and support is out there, especially for commercial air conditioning systems which typically account for 50% of business energy consumption.

5. Future-Proofing

Staying ahead of regulatory changes helps ensure businesses are prepared for future requirements.  This helps protect investments long-term and allows Brisbane businesses to take gradual steps rather than having to undertake dramatic action.  There is already a lot to consider when it comes to Brisbane air conditioning.

Engaging with these entities not only ensures compliance but also promotes a culture of sustainability and efficiency.  This clearly offers long-term benefits to businesses and the community.

brisbane commercial Rooftop Package Unit

In conclusion, embracing advanced commercial air conditioning systems in Brisbane workplaces offers a range of benefits across the board.  From enhancing employee productivity and customer satisfaction to fostering positive environmental impacts and ensuring regulatory compliance, there a plenty of positive selling points.

Investment in commercial air conditioning not only contributes to the immediate well-being and efficiency of a business but also extend to broader community and environmental benefits.  This is true in the short and long term.

Take Action

Brisbane business owners are encouraged to consider the long-term advantages of upgrading to energy-efficient air conditioning solutions.  Not only will this move improve operational efficiency and brand reputation, but it will also help position business as a leader in sustainability within the community.

Find a trusted Brisbane air conditioning professional today to explore the best commercial air conditioning service for your business needs.

The simple answer?  It all depends…

It may sound like a simple question.  But the answer is not so straightforward.

There are many different types of air conditioning units, and many ways they can be evaluated.  The best home air conditioning unit might not be a great option as a warehouse air conditioner.

Common factors used to compare different air conditioning types and determine which is the best air conditioner includes, but is not limited to;


  • Type of AC system
  • Brand
  • Features
  • Cooling capacity
  • Energy efficiency
  • Upfront costs
  • Running costs
  • Maintenance
  • Noise level
  • Ease of operation

In this article, we’ll explore the two most common settings where air conditioning is used; home and workplace.  We’ll highlight key considerations and options for these settings, and help you determine which air conditioner is best for you and your specific needs.

Best home air conditioning units

When choosing the best home air conditioning units, its most important to consider the type of AC system that fits your space and installation needs.  Ducted air conditioning is best for the whole house, while wall split air conditioners are best for individual rooms.  If in a rental, a portable AC might be suitable, although sometimes negotiating wall split systems can be a better option.

Another key consideration is brand and manufacturer reputation.  This is crucial for reliability and service quality over the life of the system.  Then, it’s worth looking for features that enhance comfort and convenience, such as programmable controls and smart home compatibility.

While finding the best home air conditioning units, sizing is a key point to review.  The cooling capacity, typically measured in kilowatts (kW), should match the size of your room for efficient cooling and heating.  Like Goldilocks and the three bears, your aim is to find the size that is just right.  Sizing is just one of the many air conditioning mistakes people make that you should avoid.

Kilowatt rating also impacts energy efficiency.  However, energy efficiency on its own is also worth considering.  This not only affects the environment but also impacts running costs.  You can compare wall split systems using Zoned Energy Rating Labels (ZERL) in Australia.  For ducted units, you may need to refer to the Seasonal Energy Efficiency Ratio (SEER) to make a comparison.

Upfront costs can vary significantly with home air conditioning.  It’s worth trying to balance initial costs with expected running costs and maintenance requirements year-to-year.  Ease of maintenance should be a consideration here, as the more DIY home air conditioner maintenance you can do, the less you need to pay the professionals!

Other key factors when finding your best home air conditioner include noise levels and ease of operation.  Lower noise levels increase comfort, especially with bedrooms and quiet areas.  Finally, ease of operation can make life easier and enhances the overall experience with the AC product.

By considering these aspects before buying an air conditioner, you are well on your way to finding the best aircon to suit your home’s cooling and heating needs.  Individual factors, such as personal preference and budget, can also not be ignored.

Comparison between ducted and split air conditioning units at home and business

Best commercial air conditioning units

When choosing the best commercial air conditioning units, it’s important to consider the type of cooling method initially.  There are a wide range of heating, ventilation, and air conditioning (HVAC) methods on the market.

The main 2 types of commercial air conditioning are:

  • Direct Expansion (DX) Air Conditioning
  • Central Air Conditioning

The key difference is where heat is exchanged.   In DX air conditioning, heat is exchanged directly with refrigerant passing through a cooling coil in a unit serving that indoor area.  Is the most common type of air conditioning on the market.  Most options are off-the-shelf and readily available.

In central air conditioning, heat is still exchanged with refrigerant, however this occurs in a central location within a building.  Heat is transferred from the indoor area using a certain medium, which is typically water.  Beyond that point, heat can be expelled at the condenser using air-cooled methods or water-cooled methods.   These options are typically custom-designed and manufactured to suit the specific building and requirements.

When selecting the best commercial HVAC system, split ducted systems, cassettes, fan coil units (FCUs), rooftop package units, water/air-cooled chillers, and/or cooling towers are commonly selected.  A key point to consider is how the overall design and application will compare with the commercial building’s size and layout.

Once unit type is selected, brand reputation comes into play.  Durability, efficiency, and customer service all play a significant role in ensuring long-term reliability and support for the HVAC equipment.  Commercial equipment may have a longer life expectance (depending on sizing), so support over that lifespan becomes increasingly important.

Speaking of sizing, the correct cooling capacity of the commercial air conditioning units is critical.  There are no one-size-fits-all sizing formulas for commercial HVAC, as the heat load in buildings varies greatly.  Office space vs production floor vs laboratory… they could all have the same square meterage but wildly different cooling (kilowatt) requirements.  Even rooms within the same business can vary, such as an office area vs meeting room.  Given the importance of sizing, professional assessment and design is recommend for any new commercial air conditioning.

Energy efficiency is an important consideration when it comes to commercial air conditioner selection.  This impacts business expenses long-term, considering HVAC systems typically account for 50% of commercial building energy usage.  Energy usage also has a significant environmental impact.

Beyond energy efficiency, maintenance efficiency should also be reviewed.  AIRAH DA19 Australian Standards recommend different service levels for different HVAC equipment.  A commercial air conditioning company can provide guidable and quotations on routine maintenance to help optimise efficiency, lifespan, and performance of your AC equipment.  They can also help assess and reduce business disruptions, while balancing costs vs benefits of routine maintenance.

Certain features may be of high value in your workplace, such as smart technologies and limits on how hot or cold staff can set the AC (if at all!).  Noise is also importance to consider, as low levels are conducive to a productive work environment.

All these factors collectively determine the suitability of an air conditioning unit for commercial use.  A commercial HVAC installation contractor is recommended to assist in balancing performance, cost, and operational efficiency.

If you have any questions or require assistance finding the best air conditioning units for your home or business, please don’t hesitate to contact us.  Our friendly and knowledgeable team can help find the perfect solution for you.  Contact us today.


Imagine you’ve come inside after a hot, busy day.  You flick on the air conditioner and head to the kitchen to start dinner.  Between the microwave running, pans sizzling, and tap running, you don’t hear much else.  But once you stop cooking and start dishing up, you hear dripping.

You stop and listen.  You look at the tap – no water dripping there.  You walk to the bathroom to check – no water dripping in the basin or shower.  What is that noise?!

Then you walk into the cool living area.  There it is: water dripping from the AC.  So much water in fact that there’s a puddle underneath the AC indoor unit!  Great, another mess to clean up.

Water dripping from AC indoor unit is not just annoying, it’s also a sign that there is an underlying issue with your air conditioner.  There are many reasons why water may be coming out where it shouldn’t.  The issues and solutions range from simple, routine fixes to major faults to be addressed.

We’ll explore common questions and solutions for those dealing with an air conditioner leaking water inside.  While a nice cold drink or swim is appreciated on a hot day, water from your air conditioner is not something you want!

This week’s question:  

Why is my air conditioner leaking water inside the apartment?

There are a wide range of causes when it comes to air conditioner water leaks.  Each specific source requires a slightly different treatment to resolve it:

Blocked Drain

One of the most common causes of water from AC indoor unit is a blocked drain.  The drainpipe in an air conditioner carries away condensation from the indoor drain pan, which develops normally during the reverse cycle air conditioning cycle.

Any dirt, debris, mould, algae, etc. that finds its way into the drain pan also needs to make it out through the drainpipe.  If the mass is too large or if the drainage pipe breaks in any way, water can back up and start leaking inside the apartment, home, or business.

Regular cleaning of condensate drains is essential to help prevent water build up and leakage in all the wrong places.  Some of this can be completed at home, however routine maintenance by a professional is typically recommended.

Dirty Air Filters

Dirty air filters are one of the most common causes of water dripping from an AC indoor unit.  Blocked or restricted return air filters reduce airflow back to the air conditioner, specifically the indoor evaporator coil.

When a dirty filter affects airflow, the coil can get too cold and start icing up.  When the ice begins to melt (either when the aircon is turned off and/or filters cleaned), the ice begins to melt and leak out of the indoor unit.

It is recommended to check filters monthly or at least at the start of each season, and clean filters when dirty.  When the media wears too thin, replacement of the filter/s is the next step.


Dirty return air filters blocking airflow ac indoor unit



Low Airflow

Like with dirty air filters, anything that results in low airflow can end up with water leaking.  This includes blocked or dirty evaporator coil, incorrect settings, obstructions around the indoor unit, faulty fan motor, and other faulty AC component/s that result in reduced airflow across the indoor coil.

An air conditioning repair service can address all issues, with repair of faulty components and completion of routine maintenance tasks.  Some low airflow issues can be prevented (e.g. obstructions), while others are not so preventable (e.g. faulty fan motor due to motor fusion or storm surge).

Poor AC Installation

Incorrect installation of an air conditioner head unit, drip tray, and/or drainpipe can result to water leaks.  Common issues include AC not installed in correct position, the drain pan being undersized (or not installed at all!), and incorrect fall on the drain.

While it’s difficult to directly control the workmanship of an HVAC installer, you do have the power to select a reputable air conditioner installer.  It’s recommended to consult a fully qualified HVAC Mechanic for a new air conditioner installation, rather than an Electricians with a restricted HVAC licence.  There are significant differences between the trades.

Damaged Drain or Drip Tray

Like most things, drains and drain trays can wear out over time.  They may crack, rust, or become damaged in some other way.

When this happens, water can not track from the drain pan, down the drainpipe, and away from the aircon indoor unit as design.  As a result, water can find a new route and leak out in all sorts of undesirable locations.

Regular inspection of the drain components is key to detecting possible damage.  Repair or replacement actions can then be undertaken.

Damaged AC indoor unit

Unlike the drain, and air conditioner indoor unit is not so easy to fix if it is damaged.  Sometimes head units can develop a hairline fracture within the chassis.  In this case, water leaks out in a random location from the indoor unit.

Unfortunately, repairs are not usually possible or financially viable if a hairline crack occurs within the indoor unit.  In this case, replacement of the whole system is typically recommended.

Refrigerant Leaks

Another common cause of water dripping from an air conditioner is a refrigerant leak.  Like low air flow, low refrigerant pressure impacts the ability of the indoor unit to operate correctly.  This can result in ice build up that later melts.

Testing and assessing gas pressures is best left to an HVAC expert.  They can also help assess whether gas repairs or system replacement would be the best course of action.

If the system is under warranty, it would be recommended to contact the installer to discuss options.  They may refer you to the manufacturer if this will be the most efficient option for you in terms of time, money, and resolution.

Faulty Condensate Pump

If there is a condensate pump installed, this can certainly be a source of water leaking inside an apartment, house, or business.  Water leaks can stem from a faulty or blocked condensate pump or pump drainage line.

Drain pump components may just need a service to resolve the leaking, which involves disassembling the pump and thoroughly cleaning it out.  Pump servicing is recommended more frequently than AC unit servicing.  However, if the pump is failed or inefficient, replacement of the pump may be required.


Old condensate pump under wall split systemNew mini blanc pump installed under wall split system


Addressing these AC water leak issues proactively through regular maintenance and inspection is recommended.  Basic DIY AC service checks includes filter cleaning and drain inspections.

Professional air conditioning service checks will include refrigerant pressure checks and AC component testing.  Either way, prevention is key to preventing complicated repairs and further damage to your air conditioner, property, and even yourself and those around you.

How to fix air conditioner leaking water inside?

Here are 7 steps to help resolve the issue of your air conditioner leaking water inside the apartment, house, or business:

Monitoring Temperature Settings

Avoid setting the temperature too low at all times, especially in humid conditions which are standard for Summer in Brisbane.  Temperature set too low, especially when humid, can result in excessive condensation and water leakage.

Clearing the Drain Line.

Use a wet/dry vacuum to suck out any debris or blockage via the outdoor drain outlet.  For stubborn blockages, a plumbing snake or a commercial cleaning solution may be required.

Servicing Air Filters.

Check return air filters every 1-3 months, and clean when dirty.  For washable filters, use mild detergent and water and ensure they are completely dry before reinserting.  You can read more about how to clean aircon filters.

Checking Refrigerant Levels.

Low refrigerant levels can causes the AC evaporator coil to freeze.  This is a complex issue and requires a fully licenced HVAC technician to handle the refrigerant and testing.

Adjusting AC Unit Positioning.

Ensure your unit is level.  For split systems, check the indoor unit alignment.  DO NOT ADJUST – contact a professional if it appears unlevel.  For window units, a slight tilt towards the outside helps drainage.

Repairing the Drain Pan.

Inspect the drain pan for damage.  Small cracks may be sealed with epoxy or waterproof sealant.   Allow to dry before use the air conditioner (24-48 hours).  For larger issues, replacement of the drain pan may be recommended.  If the drain pan is sold as part of the whole indoor unit chassis, replacement of the whole system is typically recommended.

Inspecting Condensate Pump (if applicable).

If your AC unit has a pump, ensure it’s functioning correctly.  A faulty pump can cause water to overflow from the pan, thus dripping at the indoor unit.  Drain pumps should be serviced more frequently than even air conditioning units.

Regular Maintenance Check

Complete your home air conditioner service checks on a regular basis.  Then engage a professional for annual maintenance at a minimum.  They can inspect and clean components that are hard to reach or require specialised knowledge and licencing.

Remember, safety first!  Always disconnect and/or isolate power to your AC unit before attempting any repairs or maintenance.  If you’re unsure or the problem persists, it’s best to call a professional HVAC technician.


Commercial air conditioning service technician brisbane


Is water dripping from AC dangerous?

Yes and no – it all depends on what you consider dangerous.  Leaking water from an air conditioner can certainly pose several risks that shouldn’t be overlooked.

Mould and Mildew Growth

Persistent dampness from an AC water leak can create the ideal environment for mould and mildew.  This can cause health issues, especially for those with allergies or asthma.

Property Damage

Water can damage ceilings, walls, floors, and furniture.  Over time, this can lead to structural issues, especially if the leak is not addressed promptly and professionally.

Electrical Hazards

Water and electricity do not mix.  In fact, they are a dangerous mix.  Leaks can cause short circuits in the air conditioner unit and/or other nearby electrical appliances.  This also poses a fire risk.

Slip Hazard

Water dripping from an AC indoor unit can create slippery surfaces.  This creates a slip hazard, leading to potential falls and injuries.

Air Quality Issues

Besides mould, excessive moisture can affect indoor air quality (IAQ).  This makes the indoor environment uncomfortable or unhealthy.  This is a particularly serious issue in the workplace with commercial air conditioning.

To manage and mitigate these risks, it’s important to address indoor air conditioning water leaks immediately.  Regular maintenance is key, with a mix of DIY and professional HVAC assistance.

Despite all the best efforts, there are still some water leak issues that cannot be prevented.  This is where rapid responds from a local air conditioning company comes in.

Need urgent assistance to fix an air conditioner leaking water inside?  Book your local HVAC technician for air conditioning repair or service today.

Imagine you’ve come inside after bearing the heat and humidity of a typical Australian Summer’s day.  You crack open a cold one, poor over ice, and sit back to relax.  But your still hot and sticky.  The cool drink is helping, but the AC is not.

So, you turn the temperature right down.  Wait.  No change.  Give me a break!

You’ve heard that turning the air conditioner off and on again can help kick it back into gear, so you head out to the condensing unit.  Then you notice ice at the outdoor unit!  This is not right.  The only ice you want to see is in the beverage of your choice.  What do you do?

An air conditioner freezing up is a sign of an underlying issue.  It could be minor and resolved with a few checks and adjustments.  However, it could also be a sign of a major issue or even end of life for an older split system air conditioner icing up.

Fortunately, there are simple checks and DIY aircon maintenance tasks that you can do if you do find ice on your air conditioning system.  We’ll go through the most common reasons for air conditioner icing up, quick fix for AC freezing up, and how you can prevent this issue in future.

This week’s question:  

Why is my air conditioner freezing up?

Air conditioners freeze up for many different reasons.  Many issues have solutions, some of which you can carry out yourself.  Here is the summary:

Low Evaporator Coil Temperature

The primary cause of ice in an air conditioner is low temperature in the evaporator coils.  Start by checking temperature settings and ensure it’s not set too low.  In Summer, 24 degrees on cooling is sufficient.  If set lower than this, try increasing the set temperature and re-running (once the ice has been cleared).  However, there are many other factors that impact coil temperature, including air flow and pressures.

Restricted Air Flow

Restricted air flow is a common cause of air conditioner freezing up.  Dirty return air filters, blocked coils, and/or collapsed duct are all typically ways air flow is reduced within an air conditioning system.  Check, remove, and clean filters as needed.  If safe to do so, also check coil conditions and ductwork.  An HVAC professional is recommended to clean coils and/or repair ductwork, in the interest of safety (for you and your AC system).

Woman comparing dirty and clean return air filters for wall split system

External Obstruction

Blockages to air flow can also be external to the air conditioner.  Anything preventing airflow and/or adequate heat exchange can cause AC coils to get too cold and start to freeze.  Check and ensure suitable clearance around all sides of an air conditioning unit.

Faulty Thermostat

Sometimes the temperature issue comes from a malfunctioning thermostat.  If a thermostat is faulty, the temperature settings, detection, and/or feedback to the rest of the system may be incorrect.  Check if your thermostat (typically in the form of a controller) is responding normally.  If not, try replacing batteries or testing another controller (in the case of multi split systems).  If still no luck, the thermostat likely needs repairs or replacement.

Environmental Temperature Drop

In colder external conditions, ice formation is more likely.  This may occur overnight or early hours of the morning in some inland areas and regions of Australia where air temperature drops dramatically.  In this instance, it’s recommended to open windows and/or using the AC in fan mode to help thaw the ice or prevent development.

Blocked Condensation/Drain Line

When an AC drain line is clogged, water can’t escape properly.  In turn, it may freeze near the evaporator coil.  Regular maintenance of an air conditioner is essential, calling in the experts to clear and clean the condensation line on a routine basis.

Low Refrigerant Pressure

Many people are aware that an aircon short on gas may ice up.  Refrigerant is an essential part of how a modern-day reverse cycle air conditioning system works.  This is an issue that requires a fully licenced HVAC technician to diagnose and resolve.

Damaged Blower Fans

Blower fan issues can reduce airflow and pressure, which can both lead to freezing of the refrigerant lines and/or coils.  The issue may be with the fan motor, the propeller, the shaft, fan capacitors, or combination of these components.  Use your ears and eyes to assess (where safe), but repair or replacement is best left to a professional.

ducted air conditioner icing up indoor coil faulty fan blower

As you can see, there are many possible causes of an air conditioner freezing up.  Sometimes it may just involve one issue (e.g. low gas pressure).  Sometimes it can be a combination of issues causing the ice formation (e.g. dirty filters, blocked drain line, and restricted coils).

Understanding these factors are key to addressing ice build-up in you air conditioning system.  Treating the root cause of air conditioner issues will help ensure efficient and effective operations and system longevity.


Quick fix for AC freezing up (20 point check).


If you’re stuck with ice in all the wrong places this Summer, don’t fear – help is here!  There are some simple steps that can offer a quick fix for AC freezing up in many cases.  However, there may be a point where professional help is required if the DIY steps do not resolve the issue.

  1. Turn the AC off at the controller and isolator outside,
  2. Allow the ice to defrost and put down towels where suitable,
  3. Check and clean air filter if dirty,
  4. Check the coils and note if cleaning required,
  5. Check your vents and ensure open and undamaged,
  6. Check ductwork and look for any damage or restrictions,
  7. Check and remove any airflow obstructions from any units,
  8. Check your condensate drain line has been flowing correctly and water exiting as normal,
  9. Once all checks completed and safe to do so, turn the AC back on,
  10. Check the thermostat or controller is operating and responding as normal,
  11. Check settings and ensure no lower than 22 in cooling (24-27 degrees recommended for efficiency),
  12. If not confident that all ice has melted, turn system onto Fan Mode only,
  13. Monitor the system,
  14. Listen out for any unusual noises and recording them if you can,
  15. Watch out for any signs of water leaking or ice returning,
  16. Call in an HVAC contractor for next level service, including professional checks*,
  17. *Check blower fan operation (HVAC contractor only),
  18. *Check refrigerant levels (HVAC contractor only),
  19. *Chemically clean coils if required (HVAC contractor recommended), and,
  20. *Complete AC service as per DA19 Australian Standards (HVAC contractor only).


While some ice build-up issues can be resolved with DIY methods, others require the expertise and experience of an HVAC technician.  Regular maintenance is the key to preventing most air conditioner issues, and that includes your aircon turning into a mini ice station!


Father and son completing air conditioning repair service on wall split system inc gas pressure check


How do I keep my air conditioner from freezing up?

To help prevent your air conditioner from freezing up in the first place, some pre-planning and routine maintenance is required.  Follow these simple tasks to help prevent your aircon icing up:

  • Check your AC settings and ensure not running the system too cold (remember, 24+ degrees in Cool mode recommended in Summer),
  • Completed monthly or at least seasonal air filter checks and clean or replace where required,
  • Carry out regular AC service for many reasons where safe and competent to do so,
  • Arrange periodic professional aircon service (anywhere from monthly for commercial preventative maintenance to annually for a standard home air conditioner),
  • Approve repairs if/when recommended, e.g. reinsulating pipework, replacing indoor fan motor when bearing start to fail, chemically clean dirty coils, etc.), and,
  • Ensure home maintenance upkeep, including clearing foliage around condenser and removing any items stored around a unit.


Stay cool and ice-free with these simple steps.  Please don’t hesitate to reach out to professionals when needed.  Also remember safety first when dealing with an electrical device such as an air conditioner.

Your comfort and air conditioner efficiency are paramount, especially in Brisbane’s hot and humid climate.  Effective and reliable air conditioning is really a necessity, rather than a luxury, in a typical Queensland Summer.  Let’s keep the ice in the drinks, not the AC!


Need help defrosting your air conditioner and cooling your home or business again?  Book your aircon repair or service today.

Imagine you’re home alone, relaxing and winding down from a busy day.  The temperature has dropped since the sun went down, and there’s no longer a need for the AC to be pumping out cold air.  You turned the air conditioner off about an hour ago, and now ready to snuggle down and watch an episode (or two) of your favourite show.

All of a sudden, the air conditioning comes on!  You look at the controller, thinking ‘did I turn that on?’.  No, not me.  Then you look around for company, thinking ‘is someone here?’.  No, no one there.  Then you start to imagine what else it could be… Stalker?  Ghost?  Poltergeist?

It can be quite scary when you air conditioner turns on by itself.  Normally we worry about it turning off when we need it most, but having an aircon turn on itself can be just as frightening.

Fear not!  There may be a more practical reason why your AC automatically turns on (or off) without anyone or anything touching it.  Firstly, it may be a sign that you’re in need an air conditioner repair service.  A full service is recommended by a professional at least once a year at home and as often as monthly in the workplace.  It’s also worth ensuring your home air conditioner service and maintenance tasks are up to date.

In this article we’ll explore common reasons why your AC may turn on randomly and what you can do about it.  Many of the causes and solutions apply to commercial air conditioning as well as home air conditioning.

This week’s question:  

Why does my aircon turn on by itself?

Surprisingly, there can be many possible issues that can cause an aircon to turn on by itself.  Here are some common reasons and what can be done about them:

Incorrect temperature settings may cause random on/offs of an AC

A seemingly random activation of the AC can be due to incorrect temperature settings.  Programming the temperature settings to suit the season can help prevent this issue (e.g. 24 degrees on cooling mode in Summer, 18 degrees on heating mode in Winter).

Power saver or sleep mode activation may cause auto-on air conditioning

These modes are designed to save electricity by intermittently turning the AC on and off at given times.  Understanding and adjusting these settings can help manage these features more effectively.  It’s recommended to check the AC manual, or ask a Service Technician when onsite.

Lady changing settings on air conditioning controller


Faulty controller or thermostat can signal automatic turn on of an AC system

Faulty temperature readings from a thermostat (stand alone or in the form of a controller) can not only misrepresent the temperature but also turn systems on randomly.  Check batteries first, then look at how to reset air conditioner thermostat.  If no luck, you may need controller repair or replacement.

Misaligned thermostat or sensor may cause random functioning

A thermostat/controller or sensor placed near an air vent or in direct sunlight can incorrectly trigger an air conditioner to turn on and off incorrectly.  Proper placement of a temperature-detecting controller, thermostat, or sensor is essential for accurate temperature regulation.

Short cycling of large aircon units can cause frequent turn-ons.

Oversized AC units (in terms of kW capacity) may short cycle the system, leading to inconsistent cooling and frequent on/off cycles.  Ensuring an air conditioner size matches the area served is crucial.

Dirty air filter can impact cycling

A clogged air filter can impede airflow, causing an air conditioner to short-cycle and turn on and off repeatedly.  Regular checking, cleaning, and replacement (when required) of return air filters is advised.  If not sure how to clean air conditioning filters, an HVAC technician can show you how.

AC condenser coil issues may cause system to turn off and on sporadically

Short cycling due to blocked condenser coils, like the effects of clogged air filters, can disrupt normal operation.  Regular inspection and cleaning of coils when required is recommended as part of routine air conditioning maintenance.

Compressor overheating can result in spontaneous AC turn-on

If an AC compressor overheats due to being unclean, faulty, or other issue, it may lead to self-shutoff.  Once it has cooled down, it may kick back in and air conditioner resumes.   Keeping the compressor clean and well-maintained is important as it has a major role in how an air conditioner works.

Refrigerant issues may trigger an air conditioner to turn on and off right away.

A refrigerant leak or failure of any refrigerant-related components can cause an AC unit to turn on and off straight.  Prevention is better than cure in this scenario, which is why it’s important to service air conditioning routinely.

Iced up coils can cause AC cycling

Frozen evaporator coils can cause an air conditioner to cycle sporadically.  Addressing the underlying cause for the ice may be as simple as filter and coil washing.  However, something like a refrigerant leak will require the expertise of an HVAC professional to resolve.

Safety switch activation can turn on an air conditioner

Frequent tripping of the circuit breaker or fuse can result in an aircon cycling on and off.  This safety feature requires professional assessment to identify underlying electrical issues.  A qualified HVAC Technician typically holds a restricted electrical licence that allows them to investigate electrical circuits connected to an air conditioner.

AC component failures can cause air conditioning to turn on/off at random

Defective wiring, fans, motors, compressors, condensers, relays, timers, and electronic control boards can all cause erratic air conditioner behaviour.  Professional diagnosis and repairs are necessary for these complex issues.

HVAC Technician inspecting outdoor air conditioner unit for ac repair service


While the AC turning off can be terrifying, the turning on of an aircon at random can be just as frightening.  Fortunately, there are many of things you can check yourself, at home or at work.

A few basic checks, regular maintenance, and timely intervention by a professional are all key in preventing or treating an air conditioner turning on unexpectedly.  If you need a professional or to discuss further, contact your local air conditioning company.


Which brand of AC automatically turns off and on the most?

Most commonly the AC automatically turns off and on with electronics-based devices, including but not limited to:

  • Panasonic
  • Samsung
  • LG

These brands all specialise in products such as TV’s and smart appliances.  With an electronic-based item, it’s no surprise that the system may do the old reset trick: off and on again to get it working properly.

This phenomenon also affects cheaper brands that also often manufacture whitegoods, including but not limited to:

  • Kelvinator
  • Midea
  • Carrier

Midea is a particularly interesting brand as it manufactures many other aircon brands today, including Samsung, LG, Lennox, and even Carrier (whose founder is considered the inventor of modern air conditioning).

Other brands of air conditioning can also automatically turn off and on, including Daikin, Mitsubishi Electric, MHI, Rinnai, etc.  However, it isn’t as common as with the other brands mentioned above.


Why does my air conditioner turns off by itself?

Many of the reasons why an air conditioner turns on by itself are the same as why an air conditioner turn off by itself.  This includes, but is not limited to:

  • Wrong mode or temperature settings.
  • Sleep or Eco Mode programmed incorrectly.
  • Faulty thermostat or controller.
  • Poorly positioned temperature-sensing device.
  • Oversized air conditioning capacity (kilowatts).
  • Dirty return air filter.
  • Blocked condenser coil.
  • Overheated compressor.
  • Refrigerant-related issues.
  • Iced up coils.
  • Safety switch activation.
  • AC component failure.

Addressing these issues through regular maintenance such as filter cleaning and program setting can be helpful.  However, refrigerant level checks, component testing, and electrical assessments all call for a professional to prevent complications and damage to yourself or the system.


Stop the scare and get your air conditioner working as it should today; book air conditioner repair service today.

Imagine it’s hot outside, and you’re so glad you have air conditioning.  However, something is not right.  The air conditioner that you depend on is making a weird noise.  It runs, but certainly not properly.  You start to panic.  What do you do?

Do you try and fix it yourself?  Do you look up aircon repair near me?  Do you ring around for advice?  Do you put headphones in or on?  Do you move out?!

We recently discussed 5 common reasons why your air conditioning is not working or not cooling.  We received a lot of questions in response, such as ‘what if my AC is working but just not properly?’  A lot of people wanted to know about other common air conditioner problems and solutions.

While an air conditioner may be running, there are many issues that can affect its operation and your sanity.  There may be a funny noise, an AC ghost turning the system on/off randomly, ice building up, or water leaking inside or from the outdoor unit.

So, how do you troubleshoot common air conditioner problems?  Generally, these issues are an indication that air conditioning repair service is needed.  However, there are still plenty of things you can check and do in the meantime.  It’s also interesting to know what could be going on with your AC unit.  Even more importantly, it’s good to know if the air conditioner is safe to keep using.

Over the next few weeks, will explore common AC issues you may experience while your AC is running, potential causes, and possible solutions.  These tips are designed to help everyone, whether at home or at work.  This week’s focus: Noise!

Why is my Air Conditioning Making Noise?

Air conditioners can make all sorts of noises.  Some are normal, some a not.  There are many possible causes if your AC is making some new or troubling noises.

Broken fan blades make all sorts of noises

When indoor or outdoor fans break, they can produce hammering, scraping, and/or rattling noises.  This usually calls for a professional to repair or replace any broken, distorted, or loose fan blades.

Malfunctioning motor can sound like a cry for help

A shrieking or squealing fan motor literally sounds like the air conditioner is calling for help, which is best left to an HVAC tech.  This issue can be due to improper installation, incorrect sizing, debris buildup, motor fusion, or just general wear and tear.

Incorrect lubrication of motor bearings can cause issues

Under lubricated AC motor bearings may buzz and grind, especially in the commercial setting, indicating the need for greasing or risk complete motor failure.  Again, it’s best to consult an expert regarding the appropriate type and application of grease (not oil!).

Package Unit repairs in progress with fan motor issue

Debris in outdoor unit can cause noises

Leaves and twigs trapped in the outdoor unit can cause clicking, clanging, or humming sounds. Regular unit cleaning and clearing of the surrounding area is essential to prevent this and help avoid overheating and damage.

Cracked ductwork or refrigerant lines may be silent or audible

Cracks anywhere in the AC system can lead to hissing, whistling, or gurgling noises.  If the noise is signalling a dangerous refrigerant leak then it may require immediate professional attention.

Clogged drain pipe may make a distinguishable sound

A drain pipe clogged with debris or any matter can produce sloshing sounds, which many people will recognise.  Regular checking and cleaning of AC drains is recommended as part of routine air conditioner service to help prevent this problem.

Controller/thermostat can make noises

Clicking or beeping sounds from a controller/thermostat may suggest a dead or dying battery or whole controller fault.  It’s recommended to replace the batteries where possible and find an AC repairer if the controller is inaccessible or faulty.

Noise may result from poor air circulation via evaporator coils or filters

If an air conditioning evaporator coil buzzes or return air filters whistles, then it may be due to poor air circulation.  First step is to check the evaporator and filters and cleaning were safe to do so.  Professional inspection and/or chemical cleaning may be required if this does not resolve the issue or if ice is present.

Old AC units can make funny noises

Just like us as we get older, older AC models may operate with a noticeable whirr and start to strain.  There is not much that can be done except ensure the space around the unit is clear to enhance ventilation.  Some also may consider installing sound barriers.

Regular maintenance and prompt attention to these issues can significantly reduce noise problems in air conditioners.  For complex problems like refrigerant leaks, motor replacements, and frozen coils, consulting an HVAC expert is advised.


What to do if Air Conditioner Makes a Whoosing Noise?

If your air conditioner is making a whoosing sound, there are a few main causes.  These are typically air flow or refrigerant based.

Fortunately, there are specific steps and solutions to help resolve this issue:

  1. Check for airflow restrictions: Ensure that all vents and registers are open and unobstructed to allow free airflow.
  2. Inspect air filters: Dirty or clogged air filters can restrict airflow, causing a whooshing sound.  Check, clean, or replace them as needed.
  3. Examine the ductwork: Leaks or blockages in the ductwork can lead to whooshing noises. Inspect for any visible damage or obstructions.
  4. Look for refrigerant leaks: A whooshing sound can also indicate a refrigerant leak, which requires professional attention.
  5. Consult a professional: If these steps don’t resolve the issue, it’s recommended to consult an HVAC technician, as the cause might be more complex and require expert diagnosis and repair.

HVAC repairer with equipment ready to test pressures and regas air conditioner

How to Quiet a Noisy Air Conditioner?

To quiet a noisy air conditioner, the cause of the noise must be found.   Given our discussion earlier, there are many possible causes.

Fortunately, there are many steps and solutions to help quiet a noisy air conditioner:

  1. Inspect and clean fan blades: Check both indoor and outdoor unit fan blades for damage or debris.  Clean or straighten them, and if damaged, consider replacement.
  2. Check and repair the motor: If the motor is making shrieking or squealing sounds, it may need to be repaired or replaced by a professional.
  3. Remove debris from outdoor unit: Clear leaves, twigs, and other debris from the outdoor unit to prevent clinking or humming noises.
  4. Lubricate the motor: Apply proper lubrication to an AC motor if it’s making buzzing or grinding noises, but consult an expert for the correct grease type and application method.
  5. Repair ductwork and refrigerant lines: If you hear hissing or whistling sounds, check for cracks in the ductwork or refrigerant lines, which might indicate a refrigerant leak requiring professional attention.
  6. Troubleshoot thermostat issues: Address any clicking sounds from the thermostat/controller by replacing the battery initially.
  7. Unclog the drain pipe: Regularly check/clean the drain pipe to prevent gurgling sounds caused by water sloshing in a clogged pipe.
  8. Improve air circulation: Ensure proper airflow to prevent buzzing in the evaporator coils or whistling filters, which may involve refitting, chemical cleaning, or ice thawing.
  9. Install sound barriers: For older, noisier units, consider installing sound barriers to reduce noise levels.

Tackle the noise and save your sanity today; book air conditioning repair service today.


Choosing the right ducted air conditioning system is important when it comes to keeping your home or office comfortable in Australia.  There are so many advanced and diverse options out there that it can be overwhelming for consumers to make a decision.  This is where we step in.  In this guide, we will walk through the best ducted air conditioning brands you can find in Australia in 2024.

Our aim is to provide a rundown of the top choices available after conducting thorough research and speaking with our customers.  There are a lot of different factors to consider then reviewing each brand.  Key criteria include market position, features, efficiency, environmental impact, durability, customer support, feedback, and overall value for money.

A good air conditioning system isn’t just about cooling or heating your space for a year.  It’s also about doing it for many years in a way that works best for your lifestyle and budget.  Given the upfront cost of a ducted air conditioning system, it really does pay to do due diligence with the install research.

As technology evolves and environmental considerations become increasingly important, we pay close attention to how these brands are innovating and adapting.  From smart home integration to make your life easier to eco-friendly refrigerants to help save the planet, these advancements have some great benefits like increased comfort and a reduced environmental footprint.

If you’re thinking about installing a new ducted system or upgrading your current one, this guide has got you covered.  Let’s check out the top ducted air conditioning options in Australia for 2024.

Market Trends in Ducted Air Conditioning

In order to make an informed decision, it’s important to understand the current market trends in ducted air conditioning.  The 2024 Australian market has some significant shifts that are worth noting.

One major trend we’re seeing is the fast-paced technological advancements in heating, ventilation, and air conditioning (HVAC) systems.  Brands are now offering some really cool features for thermostats and controllers.  Brands offer smart thermostat integration, AI-based temperature control, and even systems that can learn your schedule and preferences to help you save energy.  It’s pretty amazing what technology can do these days!

Another important trend we’re seeing is the increasing focus on energy efficiency and sustainability.  With rising power bills, more and more people are looking for ways to save on energy costs as well as be more environmentally friendly.  Australians are increasingly interested zoned energy ratings and eco-friendly refrigerant use.  Many ducted brands have responded by developing more efficient models that not only help you save on electricity bills but also reduce carbon footprint.

Just like work and lifestyle changes, Australian consumers are now looking for ducted systems that offer more customisation and flexibility.  This includes the ability to climate control different zones in your home separately, integration with home automation systems, and customisable operation modes.  The demand for systems that can be tailored to specific lifestyle needs and preferences is certainly on the rise.

Australians have been paying more attention to indoor air quality (IAQ).  This has become a big deal in recent years because we’re becoming more aware of how IAQ can affect our health.  This is especially true in regions like Queensland where there have been fires, floods, and an explosion in mould growth as a result.  Modern ducted systems can now come with advanced filtration and purification options.  So not only can your home or office be the perfect temperature, but the air will also be clean and healthy.

While international brands still dominate the HVAC market, locally-made HVAC brands are becoming more popular.  These brands typically offer products that are tailor-made for the different climates in Australia. They know exactly what Aussies need, giving them an advantage over international models.  We also like to support manufacturing in our own country.

Understand these trends helps us appreciate all the current features and emerging innovations that the top ducted brands of 2024 are bringing to the table.  It also shows how Australian consumers’ needs and preferences are changing over time.  This allows a choice of something that not only fits current needs but also matches future changes in the HVAC industry.

Comparing market trends in air conditioning in Australia




Market Position

Daikin is a global leader with strong presence in Australia for over 50 years.  Daikin is renowned for its pioneering technology in air conditioning.  Range of ducted indoor units are currently made in Australia, with official Australian Made certification.

Key Features

Energy-efficient inverter technology with smart features and air purification.  Daikin have been a frontrunner in air purification integration, not only in ducted but also in other ranges like air purifiers with streamer technology and wall splits approved by The National Asthma Council Australia’s Sensitive Choice® program.


High energy efficiency standard, with added Premium inverters that can ramp up and down even further for greater efficiency.  Smart features and own line for zoning gear add to the level of efficiency available with a Daikin product.

Environmental Impact

Daikin has long been a market leader in eco-friendly refrigerants.  Their extensive range of efficient options help reduce carbon footprint.


Highly durable with long-term performance expected with routine maintenance.  Built to exceed Australian Standards and withstand the harshest of climates.

Customer Support

Daikin is known for excellent customer service and support.  This manufacturer works closely with its Daikin Dealers to ensure customers receive the best possible care with flexible arrangements available.

Customer Feedback

Consistently praised for energy efficiency and innovation.  Cost could be a potential barrier.  Recommended to find a Daikin Dealer who can offer significant discount on Trade price.

Value for Money

Best long-term investment due to durability, energy savings, customer support, and price and availability of spare parts in the unlikely event of repairs over the life of the system.


Mitsubishi Electric

Market Position

Mitsubishi Electric (ME) is another global leader with a long history with a long history.  It is often the subject of a Mitsubishi Electric vs Daikin battle.  They are also pioneering technology in the air conditioning industry.  Solid reputation for quality systems.

Key Features

All ranges offer energy efficiency compared to other low-mid range brands.  Mitsubishi Electric is also well-known for quiet operations.


High energy efficiency comes standard, as can be expected from a leading AC manufacturer.

Environmental Impact

Mitsubishi Electric is on board with eco-friendly refrigerants.  They are committed to reducing carbon footprint, with focus on sustainable materials and production.


Long-term performance can be expected with well-built AC units.

Customer Support

Solid customer support network available. The wider range of Mitsubishi Electric products available helps in this department.

Customer Feedback

Consistently loyal brand supporters.  Higher upfront costs, but worthwhile for quiet, efficient, and durable ducted air conditioning.

Value for Money

Good long-term investment.  Weigh up costs with savings and other options available first.


Mitsubishi Heavy Industries

Market Position

Mitsubishi Heavy Industries (MHI) has the same origins as Mitsubishi Electric, but has not necessarily maintained top-tier status in Australia.  This brand is often subject to a MHI vs Mitsubishi Electric battle.   Considered a strong mid-range ducted air conditioning option.  However, it is still extremely popular in Australia.

Key Features

Mitsubishi Heavy Industries Air-Conditioners Australia, Pty. Ltd. (MHIAA) wall split systems have won the CHOICE® Best Brand of Air Conditioners award for six consecutive years (2018 – 2023).  This has created a halo effect to other unit types, such as their ducted air conditioning range.  Nonetheless, MHI ducted units are popular with Aussies and frequently offer cash-back incentives.


Good energy efficiency across their ranges.  Worth comparing like-for-like kilowatt ratings when shopping.

Environmental Impact

MHI is striving to minimise environmental impact and is taking steps to reduce its environmental footprint.


Solid product, but may not be as durable as industry leaders like Daikin and Mitsubishi Electric.

Customer Support

Reasonable support.  Although can take some time to received help required due to demand.

Customer Feedback

In the wall split range, overall customer feedback is strongest when averaged out over all categories.  However, in the ducted range customers are not as favourable toward MHI.  Still, customers are generally happy with overall value for money, especially when they receive a cash-back incentive.

Value for Money

Good, solid investment with a range of solutions available for most homes.


Comparing pros and cons of ducted air conditioning brands for home and office



Market Position

Panasonic is a well-established brand in consumer electronics and household goods, including air conditioners.  Very popular household name in Australia.

Key Features

Panasonic does well to respond to customer demands.  Offers air purification technology and smart home integration.  The brand is constantly evolving to integrate latest technologies into their ducted air conditioning units.


High-level efficient systems with energy-saving technologies.  To be expected with a top-tier brand.

Environmental Impact

As a leading electronics company, Panasonic is focused on two main areas of environmental impact: adding eco-friendly features and reduced carbon footprint.


Robust construction and built to last.  Benefits from wide range of manufacturing experience.

Customer Support

Good support available, with a wide Panasonic Customer Support network.  However, smaller AC-specific support network in Australia compared to some other brands.

Customer Feedback

Loyal customers, who like to have a consistent name in their home (e.g. white goods, home entertainment, personal care, etc.)

Value for Money

Good balance of features and cost.  Great value spare parts in the unlikely event that repairs are needed in the future.


Market Position

Fujitsu is a reputable Japanese brand that has become a house-hold name in Australia.  It is known for high-quality air conditioning systems in all their ranges.

Key Features

Efficient, reliable, and relatively easy to install and maintain.


High-level efficient ducted systems that can be expected from a leading AC brand.

Environmental Impact

Fujitsu focuses on energy-efficient systems and sustainable practices worldwide.


Durability comes standard with Japanese products like Fujitsu.

Customer Support

While there is a large customer support network for Fujitsu products in Australia, there can be multiple hoops to jump through to receive the support you seek for a Fujitsu ducted air conditioner.

Customer Feedback

Mixed reviews from customers; some couldn’t be happier while some couldn’t be less satisfied.

Value for Money

Reasonable value for money if the right product exists within their range.  Worth exploring all options before settling.


Market Position

Rinnai has been an underrated company operating in Australia for over 50 years.  Best known for hot water, but increasingly for heating and cooling products.  Rinnai has three manufacturing facilities in Victoria, Australia.

Key Features

Many modern-day features, like inverter technology, are available at a significantly reduced price.  A lot of popular features come standard, like Wi-Fi and smart home integration.  They also offer a range of energy-saving features.


Rinnai offers some of the highest efficiencies available in some product ranges (e.g. wall splits).  They have solid energy efficiency available with their ducted air conditioners also.

Environmental Impact

Offering a wide range of renewable energy systems, including solar, heat pump, geothermal, and photoelectric appliances.


Solid construction.  Built to reach reasonable AC lifespan.

Customer Support

Reasonable customer support available.  Sometimes can be difficult or timely to receive help required unless your air conditioning supplier can assist.

Customer Feedback

Customers are usually pleasantly surprised with the offerings of a Rinnai ducted, given its lower price point.  While expectations are lower, Rinnai ducted air conditioners users are delighted.

Value for Money

Outstanding value of money.  Possibly one of the best all round options for 2024.


Moving from discussion to decision with best ducted air conditioning brands



Choosing the right ducted air conditioning system in Australia involves considering a myriad of factors.  From energy efficiency to innovative features, and from customer support to overall value for money, there is certainly a lot to review.

We have explored the offerings of top brands for 2024, including Daikin, Mitsubishi Electric, Mitsubishi Heavy Industries, Panasonic, Fujitsu, and Rinnai.  Each brand brings its unique strengths to the table, catering to different needs and preferences.

As discussed, technological advancements like smart home integration and eco-friendly innovations are shaping the future of ducted air conditioning systems.  Brands are increasingly focused on not just cooling and heating efficiencies but also on enhancing air quality, reducing environmentally impact, and integrating with modern home ecosystems.

When selecting a ducted air conditioning system for your own home or business, it’s crucial to consider your specific needs.  Do you prioritise energy efficiency, smart features, initial or ongoing costs?  Perhaps you’re more drawn towards a system that offers a balance of all these criteria?

It’s also important to factor in the long-term costs of ducted air conditioning, in terms of running cost, maintenance requirements, and repairs.  Then there are non-financial costs, such as time required to access customer support and the overall cost of a ducted air conditioner in terms of carbon footprint.

In conclusion, the Australian ducted air conditioning market in 2024 offers a range of options to suit a wide variety of preferences and budgets.  Whether you opt for the advanced technology of Daikin, the financial incentives of MHI, the wide product range of Panasonic, or the cost-effectiveness of Rinnai, ensure that your choice aligns with both your immediate needs and future requirements.

The right ducted air conditioning system is not just about comfort, but also an investment in your indoor environment and a sustainable lifestyle.  We hope that this article has help guide you to towards your best option.


Next Steps

Now that you are armed with comprehensive information about the best ducted air conditioning systems in Australia, it’s time to take the next step.  We encourage you to:

  1. Do Further Research. Visit the websites of the brands mentioned in this article.  They offer detailed information about their products, including specifications, energy ratings, and features.
  2. Consult with Professionals. Reach out to local HVAC professionals for advice. They can provide insights specific to your building architecture and climate needs.
  3. Compare Options. Get a quote with a wide range of brand options from a reputable ducted air conditioning installer.  This will not only give you a pricing perspective but also an understanding of the various options available.
  4. Consider Your Needs. Reflect on your specific requirements – whether it’s energy efficiency, budget constraints, or advanced features like smart home integration.  Make a decision that aligns with your priorities.
  5. Think Long Term. Remember that investing in a ducted air conditioning system is not just about immediate comfort.  It’s about long-term savings, efficiency, enhancing your living environment, and preserving the planet we exist on.
  6. Stay Informed. Keep up with the latest trends and innovations in air conditioning systems.  This ensures that your investment is future-proof and sustainable.

We hope this guide has been helpful in your journey to find the perfect ducted air conditioning system for you.  Your comfort and satisfaction are paramount.  Choosing the right system can significantly enhance the quality of life in your home or workspace.


Ready to take the next step?  Start exploring and stay cool!


Deciding on the right air conditioning system for your home or business can be a challenging task.  With options ranging from ducted to split systems, bulk-heads to multi-heads, each offer a range of features and drawbacks.  It’s important to understand which system aligns best with your needs, wants, and unique property.

In this article, we dive into the specific features of both ducted and split system aircon installation.  We aim to equip you with knowledge required to make an informed decision by drawing on insights from industry experts.  This will help ensure your space is cooled efficiently, cost-effectively, and in harmony with your lifestyle and aesthetic preferences.

Join us as we explore the pros and cons of each main air conditioning type.  We hope that this will provide a clear pathway to a decision that will keep you cool and comfortable for years to come.

Section 1: Understanding Ducted Air Conditioning Systems

Reverse cycle ducted air conditioning systems offer a seamless way to cool or heat an entire property. These systems typically consist of an indoor unit concealed in the roof space and an outdoor unit located outside the property.  The 2 units are connected with copper pipework designed to transport refrigerant in a cycle of liquid and gas form.

The whole ducted system is controlled by a wall controller that also typically functions as a thermostat, unless zoning and room sensors are installed with zoned air conditioning.  Air is circulated throughout the home via a series of flexible ducts and rigid ductwork components.  Air is distribute into each room/area through air vents, and similarly returned to the air conditioning system by return air grille/s and filter/s.

New installation in Brisbane with HVAC technician attending in blue coveralls

Pros of Ducted Systems:

Full Coverage:  Ideal for large spaces.  Ducted systems help ensure even temperature control throughout the property​​.

Aesthetics:  Ducts and vents are usually hidden or unobtrusive.  This offers a sleek, stylish appearance​​.

Zoning Capabilities:  Many ducted systems allow for temperature control in different areas independently, with the use of room sensors.  This enhances comfort and energy efficiency​​.

Cons of Ducted Systems:

Higher Initial Cost:  There is generally a greater expensive upfront when it comes to the purchase and installation cost of ducted.

Installation Limitations:  Ducted systems require significant space for ductwork.  This makes them less suitable for certain structures or homes with limited roof space​​.

Control Limitations:  While zoning features offer some area-specific temperature control, they may not provide the same level of individual room climate control as split systems.  This can lead to energy wastage if cooling or heating unoccupied rooms​​.

When weighing up the pros and cons of ducted air conditioning, it’s important to investigate all options and compare the features to your specific property.  The assessment should not only include current demands and layout, but also any future plans such as renovations that may change your air conditioning requirements.

Section 2:  Exploring Split System Air Conditioning

Split air conditioners are just that; a split-design air conditioning system.  They are known for their two-component design with at least one indoor unit and one outdoor unit.  Most models on the market work using reverse cycle air conditioning principles.

You may be thinking; isn’t that the same as a ducted system?  You would be right!  A ducted system is technically a ‘ducted split system’.  However, in Australia, we tend to refer to wall split air conditioners as ‘split systems’ and split ducteds as ‘ducted systems’ for simplicity.

Split systems offer a distinct approach to climate control with a wide range of models available.  These typically consist of an indoor unit mounted on the wall, although they also come in floor-standing, under-ceiling, and even in ceiling in the case of cassettes.  They are connected by refrigerant pipework to an outdoor unit which houses key components, such as the compressor.

Local aircon installer installing wall split air conditioner in kitchen area

Pros of Split Systems:

Installation Flexibility:  Ideal for properties with limited space.  Split air conditioners can be installed in various locations without extensive ductwork​​.

Energy Efficiency:  Split systems often consume less energy than ducted systems when heating or cooling individual areas.  This reduces not only energy but also money wastage​​.

Cost-Effective:  Splits are generally less expensive to purchase and install upfront.  They also offer potentially lower running costs for specific area usage​​.

Cons of Split Systems:

Limited Area Coverage:  Split air conditioners are more suited for individual rooms rather than large, open spaces.  Large areas may require multiple AC units​​ or a multi-head system.

Aesthetic Concerns:  Indoor units may not blend well with interior décor.  External units can also impact the aesthetics of outdoor spaces​​.

Potential for Inconsistent Temperatures:  Since each split unit operates independently, varying temperatures can be present in different rooms or areas of a property​​.

When assessing the pros and cons of split system air conditioning, it’s important to consider all features and look at your property as a whole.  The review should not only include current aircon requirements, but any future events like kids or working location that may change your air conditioning requirements.

Section 3: Comparative Analysis

Several factors come into play when choosing between ducted and split air conditioning systems. The key factors include, but are not limited to, cost, efficiency, installation requirements, and specific needs of the property.

Cost and Installation:  Ducted systems are generally larger, more complex, and therefore more expensive to install.  This is particularly true in older style buildings and those with limited roof space.  In comparison, split systems offer more budget-friendly installation and flexibility in terms of unit placement​​​​.

Efficiency and Coverage:  Ducted systems have the advantage of providing more even temperature control throughout larger spaces.  Meanwhile, split air conditioners are more efficient for cooling or heating specific areas.  Split systems are subsequently ideal for smaller homes or single rooms​​​​.

Aesthetics and Control:  Ducted aircons offer a more integrated look, with vents seamlessly blending into the decor.  While split aircons provide more control over individual room climate conditions, they come with visible indoor units that may affect interior aesthetics​​​​.

Understanding these distinctions helps in making an informed decision that aligns with both your immediate and long-term requirements for climate control in your home or business.  However, there is certainly more to consider when it comes to making the right decision for you.

Section 4: Making the Right Choice for Your Home or Business

Choosing between a ducted system and split air conditioner depends on many factors, as we have discussed.  Further to the differences between the two AC styles, it’s also important to consider your property’s size, layout, and your personal preferences.

Mature couple deciding which air conditioning system will be best for their new home

Assess Your Space:  Consider the size of your property and the number of rooms you need to cool or heat.  Ducted systems are ideal for larger properties requiring consistent temperature throughout.  Meanwhile, split systems are better for smaller spaces or individual rooms.  In some cases, a combination of split and ducted may be required.

Budget Considerations:  Evaluate your budget not only in terms of the initial purchase and installation, but consider long-term running costs.  A local HVAC professional can offer tailored advice as to the how to choose energy efficient air conditioning on a budget.

Energy Efficiency:  Think about energy consumption and efficiency.  Split air conditioning units can be more energy-efficient for heating or cooling specific areas.  However, you need to consider the energy costs associated with running multiple split units compared to one main ducted aircon system.

Aesthetic Preferences:  Consider how the air conditioning unit will integrate with your home or office design.  Ducted systems are less visible, whereas split systems require visible indoor units.  However, you can get increasingly stylish indoor units in a range of colours, with Industry-leader Daikin providing a colour palate selection in their home base of Japan, known as Risora Custom Style.

Consult with Professionals:  Finally, seek advice from HVAC professionals who can provide insights tailored to your home’s specific needs and constraints.  With dozens of different scenarios to consider, they can save you time and money while finding your perfect heating or cooling solution.

By carefully weighing these factors, you can make a decision that ensures comfort, efficiency, and satisfaction in your home or business.  There may be many different solutions that could work.  Ultimately, the aim is to make the right choice for now and into the future.


In the quest to find the perfect air conditioning solution, understanding the differences between ducted and split systems is crucial.  While ducted systems offer an integrated, whole-home approach ideal for larger spaces, split air conditioners provide flexibility and efficiency for smaller areas or specific rooms.

Your decision should be influenced by your property’s size, budget constraints, aesthetic preferences, and energy efficiency needs.  With this article, we hope you feel equipped to make an informed choice that aligns with your lifestyle and ensures lasting comfort in your home or business.

Get a Personalised Quote Today

Unsure which air conditioning system is right for you?  Don’t leave it to chance!  Contact a trusted HVAC company that offers both ducted and split system installation options.

Our expert team can assess your unique needs, considering factors like property size, budget, and efficiency requirements, to provide a tailored solution.  Reach out now for a no-obligation quote and take the first step towards optimal comfort and efficiency in your home or business.

AC professional designing layout for new ducted air conditioning installation