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hlthe2b

(110,697 posts)
3. That's the principle behind evaporative coolers ("swamp coolers") that still remain very viable
Wed Jul 4, 2012, 09:09 PM
Jul 2012

alternatives or supplements to A/C in NON-HUMID areas of the country--especially the west. They work quite well in lowering temp about 10-12 degrees as long as the humidity is low.

So yes, the principle does work...

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