Air Conditioners / Furnaces

2 Stage furnace
GMH8/GDH8
Web Site
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In addition to covering the heat exchanger with a Lifetime Limited Warranty* to the original, registered homeowner, if the heat exchanger fails during the first 10 years of ownership, we will replace the entire unit. This furnace also has a 10-Year Parts Warranty on all other functional parts. Product Features Patented Dual-Diameter Tubular Heat Exchanger Energy-saving, Quiet Four-Speed Circulator Motor Durable Silicone Nitride Igniter Electronic Control Board with Self-Diagnostics Run-Tested at Factory Prior to Shipment Unlike conventional, single-stage furnace technology, Goodman�s Dual saver technology eliminates the temperature swings resulting from abrupt, high-stage stops-and-starts of the furnace by operating at a low heating state the majority of the time.