Consumer Reports has no relationship with any advertisers on this website. Of course it’s on the hottest days that you notice your air conditioner is struggling. And it’s not always the fault of the ...

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 ...

Dear Jim My house has central air-conditioning, but I also use a window unit in my bedroom. They don't cool as well as before and my electric bills were high last summer. How can I maintain and tune ...

HomeServe reports that covering your AC unit in winter may cause more harm than good; modern units withstand cold. Protect ...