Why do window ACs actually need a window? On the surface, it feels unnecessary — after all, the unit is clearly designed to blow cold air from the front. Why can't you just set it on the floor like a ...

The Windmill was the top-performing AC unit in our tests, outperforming all other window and portable units. It dropped from ...

Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Cassidy was an updates editor whose main responsibility is to write and edit ...

Do you want to keep a small room cooler this summer? Consumer Reports gave this window air conditioner high ratings for reliability, quietness, and comfort.

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 ...