If your air conditioners aren’t cooling properly after that first fix, we also have separate troubleshooting checklists for ...

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 ...

A step-by-step guide to securing a window air conditioner and filling in the space around it. Q: I am renting a small, old home without central air conditioning. I have a window air conditioner, and ...

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 ...

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 ...

Like any appliance, air conditioners need a little TLC to deliver optimal performance. ACs that haven’t been kept in top-notch condition tend to struggle most. We asked air conditioner pros and ...