If your AC isn't cooling, skip the call to the handyman and fix it yourself with our troubleshooting tips. We've all been there: The first summer heat wave comes to town and your air conditioner stops ...

Experts tell us the top reasons your unit isn't keeping you coolExperts offer eight simple problems to troubleshoot when your ...

When your home doesn’t have central AC, a window air conditioning unit can be a lifesaver. The only problem: Not all window air conditioners are created equal—or deliver on their promises. That’s why ...

It’s hot out. Like seriously hot. So we’ve been testing models of both portable and window air conditioners and poring over energy efficiency ratings to find promising units that can drop the ...

SEATTLE — The heat from the summer is just around the corner, and a portable air conditioner or home window unit may be the best option for those whose homes don't have central air conditioning or ...

Find the right window air conditioner for your space and you’ll stay cool all summer long—and save a bundle in the process. Our editors and experts handpick every product we feature. We may earn a ...