"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 ...

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 ...

Summer is just around the corner, which means longer days, more outdoor activities, and much hotter temperatures. When it comes to keeping your home cool, those of us without the glories of a central ...

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 ...

While air conditioning is a modern convenience, it’s hard to imagine living without it. Central air units can keep entire buildings comfortable despite the summer heat, and small ones are great for ...

Find out the best way to stay cool during the hottest months of the year with one of these popular types of air conditioners.

If you’re in the market for a premium portable air conditioner, you’ll find none better than the Whynter ARC-1230WN, which earned top marks in our larger tested review of the best portable AC units.