RXCBZ/RXCZ Roof air-conditioning are self-contained, installed on flat roofs, a terrace and other places in the open air. Delivered units are fully ready for operation. Air filter: high filtration efficiency. COOLING CAPACITY: 28-42 KW HEATING CAPACITY: 30-44 KW Features Models Cooling capacity: 28 to 4 2 KW. Heating capacity: 30 to 44 kW. Refrigerant - R-407C. Scroll compressors, specially designed for operation in extreme conditions.