These compact air conditioners provide quick relief from the heat without making you break a sweat to get them installed.

"Hearst Magazines and AOL may earn commission or revenue on some items through these links." Window air conditioning units work by pulling in warm and humid air, cooling and drying it, and sending it ...

A room air conditioner can make a sweltering space comfortable again, especially in older homes, apartments, and additions where central air falls short. The bigger challenge is choosing between a ...