Up to 96% AFUE rating
	
ENERGY STAR® (select sizes)
	
High-efficiency variable-speed ECM blower motor
	
Variable-speed induced draft combustion motor
	
Energy-saving two-stage gas valve
	
Aluminized–steel primary heat exchanger, stainless steel secondary heat exchanger
	
Reliable direct spark gas ignition
	
Solid pre-painted and steel insulated cabinet with tight fit door latch system
	
Sound-reducing features: soft mounted blower and inducer motor
	
Heating capacity: 60,000–120,000 BTUh