Here's how to tell whether to go with a window a/c, portable unit, a ductless mini-spit, an evaporative cooler—or a combo of ...

If you've ever installed a window air conditioner, you know it's a hassle. These beasts can weigh over 100 pounds, and there's always the fear it could fall out and squash someone below.

In 2023, the Department of Energy adopted stricter energy-efficiency standards requiring all window air conditioners sold in the U.S. starting in 2026 to achieve a CEER score of at least 12.8 for ...