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Swamp Coolers vs Air Conditioning

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Swamp Coolers vs Air Conditioning

By Steve Graham, Networx

Swamp coolers are commonly, and perhaps more appropriately, known as evaporative coolers. A swamp cooler can make a hot, desert house more comfortable. Swamp coolers are an effective and energy-efficient alternative to traditional air conditioners for low-humidity climates.

Evaporative coolers combine a fan with the power of evaporative cooling. They pull in dry air and dampen it through a wet pad, then blow the wetter air into the home. As the moisture evaporates, the air temperature can drop by as much as 30 degrees. Moreover, as with other fans, the blowing air can make the air feel another six degrees cooler. Itís the same principle as feeling cooler as sweat evaporates from your body.

Both individual single-room swamp coolers and central systems are available, and are fairly inexpensive (though newer units pre-cool the air and cost roughly as much as central air conditioners).

To determine the size of a swamp cooler, calculate the volume of space you need to cool and cut the number in half. The resulting number is the ideal value of the swamp cooler, which are measured and rated in cubic feet per minute (cfm), or the cubic feet of cool air blown into the home per minute. For example, a 100-square-foot room with 8-foot ceilings has 800 cubic feet of space to cool, so would require a 400 cfm swamp cooler.

There are several advantages of swamp coolers over air conditioners, but a couple of significant drawbacks.

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2:50AM PDT on May 11, 2015

Very nice and informative articles. website

8:39AM PST on Feb 9, 2013

This place came with window air conditioners ..and they will stay until tey do not work anymore. WHY ? Finances. Money for most people is finite.

1:36PM PDT on Jun 13, 2012


1:38PM PDT on Jun 8, 2012

Chaya, thanks for posting the info.

10:28PM PDT on Jun 7, 2012

Thanks for this information.

2:32AM PDT on Sep 22, 2011

Thanks for this info! When I someday live in an earthbag home- I might still need this since CA is so hot!

8:38PM PDT on Sep 8, 2011

biotic homes with living air conditioning...?

10:54AM PDT on Sep 5, 2011

I loved having a swamp cooler, and I sure missed it this summer!

4:54PM PDT on Sep 4, 2011

They wouldn't work here in Texas. The humidity is too high.

9:22AM PDT on Aug 31, 2011


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Disclaimer: The views expressed above are solely those of the author and may not reflect those of
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