HVAC

Q. What does the abbreviation 'HVAC' mean?
Q. What is 'SEER2'?
Q. What is the best temperature for the air conditioner?
Q. What is the life expectancy of a typical air conditioner?
Q. Why do I need a high efficiency filter? Can't I just buy those cheap ones at our Home Center?
Q. What exactly is a BTU?
Q. What is going on with the Freon in my home air conditioner?
Q. What does it mean if my air conditioner or heat pump is low on Freon?