"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 ...

There are some parts of the world where living without air conditioning borders on unthinkable. But in more moderate climates, it isn’t all that unusual. [Josh’s] apartment doesn’t have central air ...

SEATTLE — I'm a big fan of DIY projects. And if you don’t have air conditioning in your house during our heat wave, you may want to build your own cooling unit. I found a fun way to do this for under ...