Evaporative
CoolingLight Bulb

The Principals of Evaporative Cooling


Ever wondered why you feel cooler by the ocean or a river? You feel cooler because as hot air blows across the water, it causes some of the water to evaporate and absorb the heat. The air is cooled by this evaporation process and so becomes a “sea” breeze.

Evaporative air conditioners work the same way. Hot air enters the cooling unit on your roof where it is filtered and cooled as it passes through specially designed moistened Chillcel® pads. A fan then blows this beautifully cooled air throughout your home.

Hot air in the house is forced out through open windows and doors providing your entire home with a complete change of air at least every two minutes.

Evaporative Cooling Diagram

Canberra because of its hot dry inland climate is ideally suited to evaporative cooling. In fact a correctly designed and installed evaporative cooling system can on a hot summer’s day achieve a 10 to 12 Degree Temperature Drop from outside ambient temperatures. This is the fist stage of the cooling process, however the rapid motion of the filtered air from the evaporative cooler results in boy heat loss and lowers the effective temperature an additional 2 to 3 degrees.

Explanation:
Everyone is familiar with the relief from summer’s heat afforded by an ordinary electric fan, few have wondered ‘Why’. A simple test with an ordinary thermometer will reveal that the electric fan does not reduce air temperature even 1 degree, but when accelerated air from the fan blows over moist human skin, evaporation of moisture occurs and body cooling ensures.

Mother and Her Kids
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