I tested seven highly rated portable air conditioners on the market, and only one kept me from melting into a puddle.

The best air conditioners efficiently and quietly cool your space. These are the best window and portable units for bedrooms, ...

Costway Portable Air Conditioner Features Strong Cooling For Small Spaces. This Costway model doesn’t cool down a huge space, but during our testing it noticeably cooled the area right around it.

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 ...

Whether you’re in the market for a window unit or portable option, these ACs will help you beat the summer heat.

Stay Cool in 2025: 10 Best Air Conditioners for Small Spaces, Smart Homes and Every Budget. By Nicholas Hazleton | Edited by David Traver Adolphus. Published May 27, 2025 9:44 am ET.

Air conditioners are not usually one-size-fits-all. Sure, it may offer standard features that one may expect from an air ...

At Consumer Reports, we test room air conditioners in a special climate-controlled chamber in our labs in Yonkers, N.Y. We adjust the size of the chamber based on the space—small, medium, or ...