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 ...

During the warmer months, a window air conditioner can help keep your room comfortable for work, sleep, and relaxation. However, sometimes, it can fail to work as expected and leave you scratching ...