The Trane XR13 High Efficiency Heat Pump is offered 14 models ranging in size from 1.5 tons to 5 tons with cooling capacities from 18,000 to 60,000 BTUH. Seven of the models of the XR14 use R-22 Refrigerant and seven use the newer R-410A Refrigerant which is environmentally friendly and does not deplete the ozone […]