Stay cool when the weather heats up. Window air conditioners are more affordable than ever—and more efficient.
View our ratings and reviews and browse our buying guide to find the best air conditioners.
Top-scoring air conditioners are energy-efficient and relatively quiet, and our ratings rank models by overall performance within size groups.
Consumer Reports tests the "comfort" level of portable air conditioners based on how a model cooled a room sized for the particular unit (on its low fan setting) and how accurate it came to meeting the temperature set point.
. . .Consumer Reports' tests have found that these heavy units are iffy at cooling—and hardly portable
These ACs from Frigidaire, GE, Midea, and other brands can keep things cool and quiet while you sleep
Portable ACs don't cool as well as window ACs, but they can still help keep you comfortable
CR editors reveal what places in your home can be surprisingly dirty—and the best ways to clean these areas.
These innovative ACs allow you to open a window and maybe get a little outside air with the unit installed, but they're not for everyone . . . or every window