Cooling Systems – An Introductory Guide


An increasing number of homes across Victoria are adopting cooling systems for residential use, even though air conditioning and cooling has been traditionally seen as a commercial fitting or a more luxury consideration. However, modern residential cooling has become more cost-effective to set up as well as to run, so in areas of heat and high humidity, cooling down is not just a matter of comfort, but it can also be crucial to maintaining good health.

If you live in a climate where the temperatures often skyrocket, it is well worth considering installing a cooling system in your home. You may even wish to set up a cooling system if you need to reduce the humidity in your home, for comfort or health reasons.

Once you have realised the need for home cooling, it is a good idea to consider learning more about what the different systems are, and why they might benefit you. In this guide, we will look at the basics of air conditioning, as well as which options are likely to suit your home and your needs the most.

What is Air Conditioning?

Man Lying on Sofa and Switching on Air Conditioner

At its most basic, an air conditioning system, conditions or treats the air to improve the comfort for the room’s occupants. However, the term ‘air conditioning’ can get quite confusing. That is because it is used to describe several different methods of controlling air comfort and temperature.

Air conditioning as a concept revolves around the regulation of air quality, air temperature and humidity. All three elements can impact on everyday comfort and health. Too much humidity in a space can result in the growth of damp and mould and can also aggravate certain health conditions. However, in some cases, increasing humidity may help to alleviate specific health symptoms so it’s important to know which system will be best in certain situations.

For many people, air conditioning and cooling is a safer, more convenient way of cooling a space without opening doors and windows. Thanks to these systems becoming more cost-effective and accessible, more homes are adopting the technology in light of rising temperatures and humidity across Victoria.

What Are the Benefits of Air Conditioning?

Air conditioning and cooling carry multiple benefits. Studies in educational and commercial workplaces show that poor air quality can negatively impact productivity and efficiency. In the home environment, where we are supposed to be able to relax and unwind, poor quality air could aggravate breathing problems and related health conditions.

The best quality air cooling and conditioning systems will not only lower temperatures and humidity levels in a room but will work to reduce dust and airborne bacteria. Poor quality conditioning, meanwhile, will purely recirculate air. Therefore, top quality air conditioning systems and support are crucial.

Moreover, air conditioning and cooling are much safer than leaving windows and doors open. For example, homeowners will feel more secure, leaving AC systems to circulate when leaving home.

There are a few types of cooling system you can set up in your home. These can generally fall under reverse cycle, evaporative and split systems. Let’s take a look at these in a little more detail.

Poor ventilation in homes and other buildings could lead to breathing difficulties, an increase in concerns from existing allergies, skin problems and more. Data also suggests that around a fifth of asthma conditions are exacerbated by poor indoor air quality.

Another benefit of installing air conditioning and cooling lies in the ability to prevent devices and technology from overheating. Whilst this is less important to consider for residential properties, it is an extremely important consideration in some commercial environments, data rooms and centres needing high-quality air cooling for safe operation.

What Are Refrigerated Reverse Cycle Cooling Systems?

Refrigerated reverse cycle systems can heat or cool your home, depending on the mode selected. In the simplest fashion, they act much like a cars radiator, where the air rushing across the radiator fins cools the engine coolant down, that is then pumped around the engine to keep it cool.

In a refrigerated air conditioning system, the job of the coolant is done by refrigeration gas which as it expands in the indoor unit coil becomes very cold. Air from inside the room is then blown across this freezing coil of the indoor unit and heat is extracted from the air, cooling the air that is then recirculated around the room. The hot gas then flows to the outdoor unit, which uses large fans to cool the gas and compress it back to a liquid and expel the heat that was absorbed from the room. This is why the outdoor unit will be blowing out hot air when you are cooling inside.

Empty Room With Grey Sofa With Air Conditioner

Are There Other Options?

The best cooling system for your property will depend on your precise needs for comfort and control. Heating and cooling experts will work to consider your ideal comfort levels and where you wish to adjust your cooling.

For example, in some cases, a multi-split cooling system may be beneficial. That is especially the case if you know some rooms will need more cooling than others. However, you may benefit from a ducted split for the least noise and the most energy efficiency.

Other Points to Consider

It is crucial to ensure you clean and maintain your air cooling and conditioning system. In some cases, you may be able to service your AC once every one to two years. However, it is likely more prudent to check your system prior to the change of seasons. Proper servicing and maintenance is definitely best carried out by the professionals, as they will check that everything is working at its’ peak efficiency, which will ensure both cost-effective use and longevity of your system

Even the most efficient of cooling systems can carry dust, bacteria and spores. Therefore, removing your filters and cleaning them regularly will be beneficial to your everyday health. Crucially, it is vital to set up a maintenance plan with a cooling expert.


Even the most efficient of cooling systems can carry dust, bacteria and spores. Therefore, removing your filters and cleaning them regularly will be beneficial to your everyday health. Crucially, it is vital to set up a maintenance plan with a cooling expert.


Cooling and heating experts will also support you in finding the best cooling system to fit your home. When looking for the ideal AC, you will need to consider everyday comfort, noise levels, budgeting and more besides. Air conditioning may seem to be a complicated topic on the face of things. However, providing you are aware of the basic facts, running and maintaining an AC is easier than you may think.


Increasing heat in Victoria is pushing more homes and families to set up residential AC. So, too, are falling costs. Ideal for cooling homes and businesses alike, it is essential to educate yourself on the types of cooling that could benefit you.

DSV Air has recently merged with HeatCool. We are still able to help you with all of your requirements, so please contact us on 03 9797 0505.