AC 20-Degree Rule Of Thumb Explained: Real Or Nonsense?
Oh, the infamous AC 20-degree rule. Whenever we get 100+ degree days in the summer, some local news will start throwing around the ’20-degree rule for air conditioner’. Do the HVAC experts agree with this rule of thumb (input from HVACR School)? Or it’s just a bunch of nonsense? Alright, let’s first explain what the … Read more