American Standard® EarthWise Hybrid Dual Fuel Packaged System, 47000 Btu/hr, 208-230 V, 18.2 A, 2.28 kW, 1/6 hp, 60 Hz, 1-Phase, 830 rpm Rotational Speed, 4200 cfm, 11.5 EER Rating, 15.2 SEER, 8.1 HSPF, 81 % AFUE Rating, FNPT Connection, Scroll Compressor, R-454B Refrigerant, Tonnage: 4 ton, 72 dB Sound Level, 23.57 sq-ft Face Area, 1 Speed, 2 Stages, 3 Burners, 42 in L x 59 in W x 45 in H