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.
. . .What's floating in your home's air could be harmful to your health. Here's how to keep your place clean—and safe.
Don't sweat the cost of a new AC unit with these sale prices
Is the Chillwell a replacement for your window air conditioner?
Scorching temperatures and high humidity—especially together—can pose serious health risks. Here's how to protect yourself.
Picking the best window ACs for small, midsized, and large rooms ensures you don’t spend more than you need to