For both heating and combination heating/cooling systems, the Goodman GMS81005CN can be installed in various locations due to its reinforced and insulated steel cabinet with a durable baked enamel finish. The 80 efficiency rating means that 80 cents of every dollar goes into heating your home at peak levels, assisted by an advanced, patented aluminizedsteel tubular heat exchanger and energyconscious hot surface ignition system. This Goodman gas furnace has a singlestage combination redundant gas valve with quiet multispeed blower motor. This unit has 100,000 BTU.
Operates as a natural gas furnace out of the box, and can be easily converted to a propane furnace with optional propane conversion kit (see Accessories tab). Corrosion-resistant, aluminized-steel tubular furnace heat exchanger Furnace is designed for multi-position installation - Goodman GMS8: upflow, horizontal right or left; Goodman GDS8: dedicated downflow Energy-saving, reliable hot surface ignition system with Goodman furnace patented adaptive learning algorithm to maximize igniter life Al