ARMSTRONG AIR® Gas Furnace, Model: A97MV, Input BTU Rating: 70000 Btu/hr, Output BTU Rating: 64000 Btu/hr, 120 VAC, 7.7 A, 503 to 1357 cfm, 96 % AFUE Rating, 1 ph, 60 Hz, 2 Stages, Configuration: Horizontal/Up Flow, 1/2 in Connection, 16 in H x 17-1/2 in W x 16-3/8 in D Cabinet, ECM Motor, Vent, Ducted or Ductless: Vent, 15 A Fuse Rating, Tonnage: 3 ton, 40 VA Transformer, Stainless Steel, 35 to 80 deg F Temperature Rise