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

On average, window units last around 10 years. That means if your older window unit is acting up in any way or just not performing the way it used to, it's probably time to get a new one. If you're ...

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 ...

We may receive a commission on purchases made from links. A questionable smell, an odd noise, or just the feeling that your window AC unit isn't keeping the space as cool as it used to can set off the ...

Millions of Americans are under heat warnings this summer, and window air conditioners are working overtime. You know how it is: You come home from a long, hot day, and all you want to do is bask in ...

A good window AC unit is the difference between a fun summer and a miserable one. Just like a refrigerator or dishwasher, the appliance needs to be properly maintained in order to keep you cool and ...

Consumer Reports has no financial relationship with advertisers on this site. Like any appliance, air conditioners need a little TLC to deliver optimal performance. And it’s the ACs that haven’t been ...

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 ...

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 ...