Mitsubishi Electric Trane® Multi-Zone Heat-Pump System, 208/230 V, 42 A, 3665 W Cooling, Heating, 60 Hz, 1 ph, 50000 Btu/hr Heating, 48000 Btu/hr Cooling, 3885 cfm Heating CFM Rating, 3885 cfm Cooling CFM Rating, 13.1 EER Rating, 23 SEER, 10.4 HSPF, Flared Connection, Hermetic Compressor, R-410A Refrigerant, 3/8 in Liquid Line, 5/8 in Suction Line, 40 A Fuse Rating, 54 dBA Heating Sound Level, 51 dBA Cooling Sound Level, Sheet Steel, Finish: Galvanized, Ivory, -13 to 59 deg F Heating Operating Temperature, 5 to 115 deg F Cooling Operating Temperature, 13 in Overall Length, 41-11/32 in Overall Width, 52-11/16 in Overall Height