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Evaporation Air Cooler (Swamp Cooler)
Information about Evaporation Air Cooler (Swamp Cooler)
Evaportative coolers are popular in dry desert climates and can be tremendously effective, cooling the air by as much as 20 degrees Fahrenheit.
In simple terms the "swamp cooler" is a box that houses a large fan. The fan draws in air through vent grates which are located on three sides of the box. Between the vent grates and the fan a damp pad is placed. The pad remains damp throught the efforts of a small pump also housed within the box. As air is drawn past the moist pad molecules of water attach themselves to the air which is cooled as the water is evaporated. The cooled air is then forced into the house by the fan.
Evaporative coolers are used primarily in the Sourthwestern portion of the U.S. due to the desert like climates. They are less expensive to run than traditional air conditioning and are simpler to maintain and work on. In a humid climate evaporative coolers are mostly in-effectual as the air does not evaporate enough for the the air to noticably cooled.
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