Swamp
coolers (also called evaporative coolers, air coolers, or desert
coolers) are a type of refrigeration system which uses simple evaporation
as the cooling mechanism. This differs from traditional air conditioning,
which uses a phase change heat pump with a compressor. Evaporative
cooling is especially well suited for climates where the air is
hot and humidity is low. In such areas, the installation and operating
cost of a swamp cooler can be much lower than traditional air conditioning.
In
higher humidity areas, there are many proven cost-effective uses
for evaporative cooling that make it the preferred choice. For example,
industrial plants, commercial kitchens, laundries, dry cleaners,
greenhouses, spot cooling (loading docks, warehouses, factories,
construction sites, athletic events, workshops, garages, and kennels)
and confinement farming (poultry ranches, hog, and dairy)
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