American Standard® Gas Furnace, S9V2 Series, Input BTU Rating: 120000 Btu/hr, Output BTU Rating: 116400 Btu/hr, 120 V, 10 A, 1 hp, 97 % AFUE Rating, 1 ph Phase, 60 Hz, 2 Stages, Downflow, Natural Gas, Propane Fuel, 6 Burners, Blower Size: 11 in Dia x 10 in H, 35-1/2 in H x 26-1/2 in H x 30-7/8 in D Cabinet, ECM Motor, Vent, Ducted or Ductless: Ducted, Tonnage: 3 ton, Hot Surface Ignition System, Silicone Nitride Hot Surface Ignition, Stainless Steel, 30 to 65 deg F Temperature Rise