Swamp Coolers by Size. When choosing an indoor Swamp Cooler sizing is very important, you want to choose the right cooler for the size of the space you want to cool. Evaporative Cooler sizing is measured in Cubic Feet per Minute or CFM, most quality indoor Swamp Coolers will have a CFM rating. The CFM rating is how much air the cooler will circulate in a minute. Below are suggested swamp coolers by room size.
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0-250 Square Feet Coolers
251-500 Square Feet Coolers
501-1000 Square Feet Coolers
1001-2000 Square Feet Coolers
2000 + Square Feet Coolers
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