We got our hands on multiple units and looked for models that are quiet, energy-efficient, and easy to install.

While air conditioners are nice, they’re often expensive and they eat electricity. Window fans provide an alternate way to enjoy a hot day even while indoors. This simple staple of easy living ...

Size matters when you’re buying a window air conditioner. An air conditioner that’s too small will struggle to keep a room at a comfortable temperature. A model that’s too big will cool a room too ...

The Windmill window air conditioner was the quickest to cool down rooms in our lab testing, and there's a great deal on it right now. Courtney Johnston Senior Editor Courtney Johnston led the CNET ...

Editor’s Note July 28, 2025: Our best overall selection, the Frigidaire Gallery U-Shape Air Conditioner, is currently out of stock across several retailers. Availability is subject to change, but we ...

Select is editorially independent. Our editors selected these deals and items because we think you will enjoy them at these prices. If you purchase something through our links, we may earn a ...

So I have central air, but considering that generally I only need to cool my bedroom most times, I've been debating the possibility of getting a portable AC unit and cooling just the one room rather ...

WHICH WINDOW AIR CONDITIONER IS BEST? Central air conditioning isn’t an option for everyone. Sometimes, you need a good window AC unit to keep you cool. A window AC unit might not be as expensive as ...

Why do window ACs actually need a window? On the surface, it feels unnecessary — after all, the unit is clearly designed to blow cold air from the front. Why can't you just set it on the floor like a ...