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Are there ENERGY STAR certified evaporative coolers? Follow

No. Evaporative coolers are not eligible for ENERGY STAR certification.

Evaporative coolers (sometimes called swamp coolers) are less common than refrigerated air conditioners, but they are a practical alternative in very dry areas, such as the Southwest. They work by pulling fresh outside air through moist pads where the air is cooled by evaporation.

More information on Evaporative coolers from DOE. 

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