Goodman® Gas Furnace, GMSS96 Model, 80000 Btu/hr Input BTU Rating, 115 VAC Voltage Rating, 12.8 A Amperage Rating, 1200 cfm Rating, 1/2 hp at 1075 rpm HP Rating, 96 % AFUE Rating, 1 ph Phase, 60 Hz Frequency Rating, Upflow/Horizontal Configuration, Connection Type: 1/2 in FPT, Natural Gas Fuel Type, 4 Number of Burners, 10 in Dia x 8 in W Blower Size, 17-1/2 in W x 28-3/4 in D x 34-1/2 in H Cabinet Dimensions, 2 to 3 in Dia Vent Size, 3 ton Tonnage, Heavy Gauge Steel, 35 to 65 deg F Temperature Rise