Does Size Matter?

Does the size of your air conditioning system matter? Is the construction of your home, the direction of your home, and the amount of insultation all come into consiteration when determining the size of you heating and air conditioning system? We have all heard the "Rule of Thumb" 400 to 500 square feet per ton of air conditioning! Well think again; you cound spend thousands more by using that rule. Listen in for great types.