The SJAC series of modular air-cooled chilled water (heat pump) units incorporate the design essence from the United States and combine it with the actual application situation in the Chinese modular unit market, maximizingly meeting users' requirements for product efficiency, safety, intelligence, and comfort. It has a complete range of product models and is widely used. It can provide a full series of units such as the total heat recovery type, the environmentally friendly refrigerant (R410A) type, the low-temperature and high-efficiency type, and the standard type. It is highly energy-efficient and has three functions in one unit. It can heat in extremely low temperatures and is suitable for places with air-conditioning and hot water demands, such as villas, hotels, entertainment venues