Rene is more than a great HVAC tech, he is a trusted friend who provides an above reproach analysis of all systems, replaces any needed parts and suggests improvements when warranted. His suggestion of a surge protector (which he installed during his previous visit) probably saved the units during a recent lightning strike at our house. Many electronic appliances were damaged, but not the Amana heating and A/C units. There was over $3000 worth of damage, not including all ATT telecom equipment and line to their splice.