A 1200 square foot home needs a 23,000 BTU central air conditioning system. It is very important to choose the correct capacity air conditioning system for a home.
Air conditioners are designed to remove both heat and humidity from the air. Many people buy an air conditioner that is much too large, thinking it will cool their house faster and therefore use less energy; however, this is not the case. An air conditioner that is too large will use more energy, and although it may cool the room more quickly, it will not remove all of the humidity in the room. If the proper size air conditioner is selected for a home, the energy bill will be lower and a house will be more comfortable.