Solar energy air-conditioning system takes into account the application of heating and cooling. Comprehensive office building, hostel, school, hospital, swimming pool, aquaculture, family, etc. are ideal application objects. Heating is needed in winter and even in the whole year, such as domestic hot water, heating, swimming pool water heating and temperature regulation, etc., while in summer, it needs a cold world. Solar hot water refrigeration is a central air conditioning. At present, countries all over the world are stepping up the research of solar energy air conditioning technology.