The water source heat pump integrated cooling and heating machine is currently a relatively efficient and energy-saving air conditioning equipment. It does not require electric heating and defrosting for heating in winter, and is not affected by external conditions such as weather changes. It has the functions of cooling, heating, and dehumidification. Microcomputer control technology, automatic temperature control, high efficiency Energy saving. It is widely used in greenhouse agriculture, breeding industry, production workshops, tourist restaurants, etc.