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Putting a Homemade Air Conditioner to the Test

Do-it-yourself air conditioners can cost as little as $20 dollars to make. Our experts build and test two types to see if they can cool the air in Consumer Reports' test chamber.

Do-it-yourself air conditioners can cost as little as $20 dollars to make. Our experts build and test two types to see if they can cool the air in Consumer Reports' test chamber.


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