Air Conditioner Ratings
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.
Window Air Conditioners (76)
Top-scoring air conditioners are energy-efficient and relatively quiet, and our ratings rank models by overall performance within size groups.
Portable Air Conditioners (9)
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.
. . .Mini-Splits (10)
The best units can cool a room quickly and maintain that temperature over long periods. We also measured heating capabilities, energy efficiency, and ease of use.
. . .
Recently Tested Air Conditioners
BEST TIME TO BUY:
More From Consumer Reports
We Took 296 Temp Readings to Find Out If 2 Dreo Misting Fans Really Cool the Air
We tested the new fans—a compact desktop model and a big tower—by running them in our 90° F chamber and working in front of them at home
Best Amazon Prime Day Deals on Home Products
Big summer savings all this week
3 Best Mini-Splits of 2026, Lab-Tested and Reviewed
CR tests models from Fujitsu, Mitsubishi, MrCool, and more. These units are the top options for keeping your space cool if you lack ductwork.
Best Deals on Home Products
Upgrade your home with deals on top large appliances, bedding, vacuums, and more
6 Best Quiet Window Air Conditioners From CR's Tests
These ACs from Frigidaire, LG, Midea, and SoleusAir can keep things cool and quiet while you sleep