We had United Heating and Cooling install our unit in our home in 2006. United put in a 5 ton Trane with a heat pump, ran all the ductwork. We have kept our unit up to date with regular maintenance from United since the day they installed. United just did the maintenance in April and the technician said our unit was in excellent condition and could not believe that it was the original unit. Then July 24 my husband called United and had them come out for a service call, our unit was making a stra... Read more