How best to air condition my home!
Since I started GAS & AIR over 25 years ago, I have discovered that comfort is such a personal decision and so dependent on lifestyle, family size, age and budget. My belief is that it is far better to help people source the right information than to try and make a decision for them.
The purpose of this web site is to help you do just that, this page will basically explain the different types of air conditioning for you consideration. By simply “clicking” one the “Types of Air Conditioning” headings, you will move to another more detailed page. Of course, you may contact us at any time for further assistance with your air conditioning requirements.


 Roomies, split-consols refrigerated:
A single unit installed through the wall. Low purchase cost ($800-$1600) for a single room application. Up from these are the heavily promoted “split type”, i.e. the mechanical box placed outside and the air delivering consol installed inside. Again these products are intended for single room open/area situations. Anywhere from $1200-$5000 installed and from 12 cents to 40cents per hour to run.

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 Ducted Systems, refrigerated:
These are also a “split system” and manufacture air the same way, but instead of the consol mounted on a wall, it is mounted in the ceiling space. This allows ducting to be connected so cool or heated air can be distributed throughout the home. A unit sized home would cost approximately $5500 installed. A typical 4 bedroom 2 bathroom home from $8000-$10,000 with 30 to 60cents per hour operating costs.

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Ducted Evaporative Cooling Systems:
Incredibly popular and ideally suited to Perth’s climate. Cool, clean fresh air is distributed throughout the home via a system of ducts located in the ceiling space. Great for family situations with active kids. Removes odours from inside the home Pets and indoor plants thrive with these types of cooling systems. Low purchase price from $3000 to $5000 and a low operating price of around 50c a day.

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Ducted Gas Central Heating Systems:
A form of whole of home heating that is not well known in Perth but is very popular in the eastern states. In Victoria alone, over 35,000 are installed each yearThe air is warmed by a gas fuelled heat exchanger placed inside your roof space and is then distributed throughout the home via a system of ducts located in the ceiling space. Set to become popular here in Perth as an alterative to Ducted Refrigerated systems when combined with Ducted Evaporative systems. Extremely safe, healthy, low purchase and operating cost and super quiet when in use. Installed costs range from $3000 to $5000 and approximately 25 to 40cents per hour operating costs.

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