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Heating and Cooling Systems

The present invention relates to the field of refrigeration and heating systems in buildings, in particular, it relates to a heating and cooling systems. The heating and cooling system, comprising: live tank, air source heat pump and solar water heaters; the machine equipped with an air source heat pump refrigerant - water heat exchanger; refrigerant - water heat exchanger and the water side provided the communication configuration tank life cycle; and the life of the tank is provided with a water inlet of the solar water heater outlet in communication. Heating and cooling system of the present invention provides less consumption of non-renewable energy.