Clean your air conditioner at the beginning of the warm season and check it from time to time ... you can turn the ...

When your heating and cooling system isn’t working properly, you might throw up your hands and call for help, thinking the ...

Our best budget portable air conditioner is designed for rooms up to 250 square feet but cooled the 550-square-foot testing room by more than 2 degrees in the two-hour testing period. That's ...

As electricity costs rise and temperatures start to heat up, saving on cooling costs this summer has become a top priority for many. Experts believe that from the Rockies to the East Coast, this ...

If you’re looking for additional information on portable ACs, check out our air conditioner buying guide. Allen St. John has been a senior product editor at CR since 2016, focusing on digital ...