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 ...

We may receive a commission on purchases made from links. Once you have chosen the right sized window AC for your space, you will need to keep it in good shape, and one of the most important ...

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

Most people buy a portable air conditioner to keep their rooms cool without needing to install a window unit or central AC. But many people don’t realize that portable ACs regularly collect water—and ...