Aircon question

Have you used a local company or service in the P-O? Put your recommendations here/Share your good and bad experiences.

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Kate
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Aircon question

Post by Kate » Thu 30 Jul 2009 11:01

received by email
Does an aircon unit take air from the house? Due to your experience I was hoping you might be able to shed some light on the subject. Please help. I am very grateful for your help. Thankyou, Tim

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Post by Webdoc » Thu 30 Jul 2009 12:04


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allanwallis
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Depends on the unit but normally no

Post by allanwallis » Fri 31 Jul 2009 10:18

The basis of air conditioning is not the provision of fresh air, it simply takes heat from inside the house and releases it into the outside air, the heat is normally carried in a liquid coolant.

Most systems consist of an internal unit that takes heat and puts in into the coolant liquid, this then flows to an outside unit which releases the heat into the atmosphere.

Reversible air conditioning (climat reversible) simply reverses the process and takes heat from the outside air and releases it inside the house. Even in winter there is some heat in the ouside air, the unit simply has to work a bit harder to extract it. The principle is exactly the same as a heat pump on a swimming pool. This is generally an efficient form of heating as electricity is used to power the extraction process rather than providing the heat. So a kilowatt of electricity can produce anything up to 4 kilowatts of heat

Some air conditioning also incorporates an element of fresh air but in general this is not essential to the process.

As air is cooled it releases moisture which is why aircon units generally have a water drain outlet.

There are some units that use air as the medium for carrying heat outside but this is not the norm.

Hope this helps

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