ARMSTRONG AIR® Gas Furnace, Model: A97MV, Input BTU Rating: 135000 Btu/hr, Output BTU Rating: 127000 Btu/hr, 120 VAC, 12.8 A, 732 to 1994 cfm, 97 % AFUE Rating, 1 ph, 60 Hz, 2 Stages, Configuration: Horizontal/Up Flow, 1/2 in Connection, 23 in H x 24-1/2 in W x 23-3/8 in D Cabinet, ECM Motor, Vent, Ducted or Ductless: Vent, 20 A Fuse Rating, Tonnage: 5 ton, 40 VA Transformer, Stainless Steel, 35 to 85 deg F Temperature Rise