Too hot in the garage... ne suggestions?

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Originally Posted by 771subliminal

not if you get a swamp cooler it uses water to cool and recycle the air no exhaust needed

this is a small one but its the idea
http://www.air-n-water.com/product/ka70.htm

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things change I guess

Our old swamp coolers (in new Mexico) were fed water and had a relief valve. When the water reached a certain temp, the cooler dumped the water and a pressure regulator filled the cooler with new cool water. They looked like a huge car radiator with a huge fan behind it.

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Originally Posted by 771subliminal

this would be how a vented one would work. if it doesnt have a vent (intake or exhaust) how would of pull in air from the outside and pressurize the room? the model type i posted a link to is pretty much a fan that cools the air.

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That's kind of my point. The one in your link won't work for this application. There are some situations it will work for, but not Shane's. The humidifier "feature" described is what you'll end up with. Evaporative cooling works on the principal of... Evaporation! And in a sealed environment that evaporation will constantly ramp the humidity (That humidifier "feature" again!) until the air has so much humidity in it that no more evaporation occurs, hence no more cooling. It will cool for a little while, but once the air is saturated, it's done. If you expect to put in in the middle of a sealed room and keep it cool on a continuing basis, please make sure you buy it from somewhere with a good policy on returned merchandise.
- Paul

Most garages have little or no insulation above the ceiling. I added some fiberglass roll-type insulation which prevented some of the heat to permeate through the ceiling and into the garage area. The overall temp drop was around 7-10 degrees. May be worth a shot.