Another reason why your AC isn’t blowing cool air is low refrigerant levels. Essentially, refrigerant is the substance that your air conditioner needs to remove heat from the air inside your ...

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 ...

What temp should your AC be set at? To stay comfortable while saving money, the U.S. Department of Energy recommends the best AC setting in summer is 78 degrees when you are home.. The U.S ...