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.
. . .These ACs from Frigidaire, GE, and Midea can keep things cool and quiet while you sleep
These top performers from our tests will keep you from waking up in a sweat
Top choices for small, midsized, and large rooms from Frigidaire, LG, Midea, and more
Portable ACs don't cool as well as window ACs, but they can still help keep you comfortable
There are a few things to keep in mind when determining how often you should change your the air filters on your heating and cooling systems.