No central AC? As the National Weather Service warns of dangerous heat across much of the US next week, we tested dozens of air conditioner units to see which delivers the best cooling performance.

If you live in a house without central air conditioning, summers can be absolutely brutal. Chances are, you’ve considered getting a window AC unit. But diving into the world of window units can be ...

As climate change brings hotter summers, AC manufacturers are positioning sleek window units as lifestyle accessories. Some of them are less effective than they are stylish. By Callie Holtermann Last ...