Split Outdoor Air Conditioners & Weathertron® Heat Pumps
(SEER ratings range from 13.25 to 20.00)

	XB13 Standard Efficiency
	XR13 High Efficiency
	XR15 High Efficiency
	XL15i Super Efficiency 
	XL16i Ultra Efficiency 
	XL20i Ultra Efficiency

Gas Furnaces                                                  
	XR 80 High Efficiency (Single Stage)
	XL 80 High Efficiency (Two Stage)
	XV 80 High Efficiency (Variable Speed)

	
Standard and Air-Tite Air Handlers

Comfort Control Thermostats