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

An air conditioner unit leaking water in the house can damage the walls and flooring. Often, the cause is as simple as a clogged drain line or a dirty air filter—repairs you can do yourself. Learn why ...

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 ...

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 ...