Here are the most common problems that crop up with window and central air conditioners—many you can fix yourself—plus CR's ...

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 ...

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 ...

It's hot. Like, really hot. Learn how to clean a window AC unit, and you can stay cool all summer long. Millions of Americans are under heat warnings this summer, and window air conditioners are ...

Installing a window air conditioner is typically a straightforward DIY process that can quickly transform a muggy room into a much more comfortable space. If you have any questions about your specific ...