Read the spec sheet hereCarrier | Universal Outdoor Unit - Heat PumpContact Us to PurchaseFEATURES 18K - 36K (left) 58K (right) Inverter Control Sound Levels down to 60 DB R410A Refrigerant Golden Anti-Corrosive Treatment SPECSAmbient temperature 38QUA018DS: -25 - 50°C 38QUA024DS: -25 - 50°C 38QUA036DS: -15 - 50°C 38QUA048DS: -15 - 50°C Power supply 38QUA018DS: 208-230V~, 50/60Hz, 1ph 38QUA024DS: 208-230V~, 50/60Hz, 1ph 38QUA036DS: 208-230V~, 50/60Hz, 1ph 38QUA048DS: 208-230V~, 50/60Hz, 1ph Max. fuse 38QUA018DS: 20.0 A 38QUA024DS: 25.0 A 38QUA036DS: 50.0 A 38QUA048DS: 50 A DIMENSIONS (W×D×H) 38QUA018DS: 845x363x702 mm 38QUA024DS: 946x410x810 mm 38QUA036DS: 946x410x810 mm 38QUA048DS: 952x415x1333 mm