Ac and heat units can be found in all sizes and styles. A person's household unit functions by transferring air within the interior evaporator coil, and heat is taken in to the refrigerant in this particular coil. This refrigerant is then moved outside, where the heated temperature is drained by using a fan blasting along the external condenser coil. A heating and air conditioning system does not create cooler air, it removes high temperature in the air. For more information please click here heating repair at Turner's Service Co.