American Standard® Gas/Electric Packaged System, Silver 14 Series, Input BTU Rating: 28400 Btu/hr, 208-230 V, 3.9 A, 1/2 hp, 825 rpm Rotational Speed, 60 Hz, 1-Phase, Scroll Compressor, 2800 cfm, 14.3 SEER, 81 % AFUE Rating, Tonnage: 2.5 ton, R-454B Refrigerant, 70 dB Decibel, Direct Drive, 3/8 in Connection, Tube Connection, 3/4 in FNPT Drain Connection, 38 in L x 49 in W x 42 in H