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 ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? A window air conditioner is a practical and cost-effective way to control your indoor ...

The best window air conditioners we tested can reduce the room’s temperature by 10° F in less than 15 minutes. If your window air conditioner is on the fritz—for example, it’s struggling to produce ...