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Old 07-06-2010, 06:56 PM   #1
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Peltiers


Has anyone ever played with this concept? I'm curious to learn more about it. Basically you have two specific metals, you apply a charge, one metal gets hot, the other gets cold. It is often used in computer cooling, but curious if it has ever been used in building cooling. Is it more efficient then a typical compressor based AC?

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Old 07-06-2010, 07:47 PM   #2
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Peltiers


I haven't but I saw in my Popular Science magazine where a guy made a beer cooler using one and a foam can cozy.

http://www.popsci.com/diy/article/20...cooling-coolie

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Old 07-06-2010, 08:20 PM   #3
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Peltiers


At $25 bucks for a tiny peltier like that, guess this is why you would not see this in a building cooling system. That might be what, a few BTU?
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Old 07-07-2010, 07:06 AM   #4
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Peltiers


Check out the coleman electric coolers. That is what they use. Put the plug into it one way and it cools, flip the plug around and it heats.

It is very in-effiicient though.

I believe it was Westinghouse that used it in the 50's on some refrigerators. But it proved to cost too much more to operate then a regular refrigerator.
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