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.
. . .Is the Chillwell a replacement for your window air conditioner?
With temperatures rising, we’ve gathered the best ways to stay comfortable and safe—both inside and out—even on scorching hot days
Air conditioner units can get worn down over time after consistent use and natural material deterioration. Here's how to determine when you need a new one.
The quietest ACs are easy to use, reliable, and, of course, less noisy than others
Scorching temperatures and high humidity—especially together—can pose serious health risks. Here's how to protect yourself.