Split Outdoor Air Conditioners and Heat Pumps

     Ultra Efficiency with XL19i
     Ultra Efficiency with XL16i
     Super Efficiency with XL15i
     Super Efficiency with XL14i
     High Efficiency with XR14
     High Efficiency with XR13
     Standard Efficiency with XB13

Gas Furnaces

     Super Efficiency with XV 90 (Variable Speed)
     High Efficiency with XL 90 (Two-Stage)
     High Efficiency with XR 90 (Single Speed)
     High Efficiency with XV 80 (Variable Speed)
     High Efficiency with XL 80 (Two-Stage)
     Good Efficiency with XR 80 (Single-Stage)
     

Indoor Comfort Products

     Variable Speed Air Handlers 
     Indoor Air Handlers