Every year when I pull my air conditioner out of storage and reinstall it, I'm worried about whether my window unit managed to survive the colder months. This year when I turned it on, I was worried ...

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

Given that the average person in the U.S. spends 90% of their time inside, indoor air quality can have a significant impact on overall health and well-being. But many people overlook one common ...