nutone Furnaces

Gas

92.1-95.1% Gas Furnaces Extra-High Efficiency

The 90% line of furnaces feature the SmartLite® Control board. A revolutionary computer within your furnace that learns the heat-up characteristics of the igniter and then adjusts automatically.

80% Gas Furnaces High Efficiency

NuTone 80% furnace has been carefully designed and engineered to give you outstanding energy efficiency and years of trouble- free operation. No detail has been left out.

Very Good Gas Furnaces
	92.1% AFUE Single-Stage, Fixed-Speed
	80% AFUE Single-Stage, Fixed-Speed
Better Gas Furnaces
	95.1% AFUE Two-Stage, Fixed-Speed
	80% AFUE Two-Stage, Fixed-Speed
Best Gas Furnaces
	95.1% AFUE Two-Stage, Variable-Speed
	80% AFUE Two-Stage, Variable-Speed