Like any appliance, air conditioners need a little TLC to deliver optimal performance. ACs that haven’t been kept in top-notch condition tend to struggle most. We asked air conditioner pros and ...

Has your central air conditioner suddenly stopped blowing cool air? That’s an inconvenience when summer arrives, a disaster when the dog days set in and temperatures soar, and during a heat wave, it ...

In this troubleshooting situation, the customer’s complaint is that their office air conditioner is “not cooling at all.” When you arrive, you confirm that the indoor air temperature is far above the ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...

Consumer Reports has no financial relationship with advertisers on this site. Like any appliance, air conditioners need a little TLC to deliver optimal performance. And it’s the ACs that haven’t been ...