Simple air conditioners are really nothing more than a heat exchanger that move heat—or cold—from one place to another. Usually, they take warm air and move it across ice or chilled water where it ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Simple air conditioners are really nothing more than a heat exchanger that move heat—or cold—from one ...

Imagine walking into your sweltering home after a long day, only to be greeted by a wave of oppressive heat. Air conditioners can feel like a luxury when temperatures soar, but what if you could ...

FRESNO, Calif. -- These homemade air-conditioner instructions will help you skip the expense of air conditioning this summer. These DIY air conditioners will give you up to 6 hours of coolness.