These ACs from Frigidaire, GE, LG, and Midea can keep things cool and quiet while you sleepU-shaped air conditioners like ...

Sometimes opening a window or running a fan is simply not enough to keep you cool in the heat. And this is to say nothing of the misery of trying to sleep in a stuffy, hot room. If you don’t have ...

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

Post-season AC care guide: Essential window and split AC service tips for long-lasting performance Simply turning off your AC isn’t enough to ensure it's ready for the next summer season.

According to Homeguide, the national average cost to repair a window AC unit is $150, with an average range between $60 and $250. If that’s more than your unit is worth, don’t bother repairing it.

Avoid Moisture Buildup Musty odors in window AC units are usually caused by mold and mildew, which tend to thrive in moisture-rich environments, so it's important to keep the window AC moisture-free.

You should usually get a window AC unit, but portables are improving; sometimes they’re better in spite of higher cost and weaker performance.