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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.
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BEST TIME TO BUY: Still working from home? Here’s how to keep your cool.
Mother's Day and Memorial Day bring lots of sales on tech gifts, mattresses, grills, and more
They don't cool as well as window ACs but can help keep you comfortable
Top choices for small, midsized, and large rooms from Consumer Reports' tests
CR's reliability survey on window and portable ACs delivers good news for shoppers
