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.

Learn how to properly flush and recharge a contaminated AC system in this detailed DIY guide. Whether you're dealing with a ...

We have put together the following troubleshooting guide to help you address four of the most common problems you may encounter with your air conditioner.

Before calling in an HVAC tech, try these troubleshooting tips. You may be able to fix the issue yourself and save some money along the way. When your HVAC system stops working, your first instinct ...

Instead of just calling out a handyman and spending money, there are ways to try to fix the problems yourself.