Horizontal Compressor for Roof top Air Conditioner of Caravan Caming car Description Rotary horizontal compressor has low height and install easily, now is widely used for rv-caravan air conditioner and other specifical relative industry.Capacity: from 5270 BTU to 20604 BTU Refrigerant: R22 and R407CPower supply: 220V~240V/50HZR407C series model QHC-10K (5372 BTU)QHC-13K (7208 BTU)QHC-16K (9078 BTU)QHC-19K (10607 BTU)QHC-21K (12172 BTU)QHC-23K (13022 BTU)QHC-30K (17680 BTU)QHC-36K (20604 BTU)Parameter