3 tons 3 horsepower large commercial air energy water heater, using high-efficiency heat pump technology, converts free heat energy in the air into hot water, meeting the high hot water demand of large commercial places. Intelligent control, stable supply, energy saving and environmental protection. High efficiency and energy saving, saving up to 75% of energy consumption compared with traditional water heaters. Large capacity design to ensure sufficient and continuous hot water supply. Intelligent constant temperature system, small water temperature fluctuation, more comfortable to use. Low noise operation, does not affect the commercial environment. Suitable for large commercial places such as hotels, guesthouses, schools, hospitals, gyms, etc., to meet the daily hot water needs of employees and customers and improve service quality.