15HP commercial air source heat pump water heater host, specially designed for commercial hot water needs. Equipped with high-efficiency compressor refrigerant technology, the energy efficiency ratio reaches 4.0, which meets the national level 3 standard and effectively reduces the operating cost. Stable operation meets the continuous hot water demand of commercial places. Suitable for hotels, schools, factories, bathing centers and other places, it is an ideal choice for commercial hot water supply.