Air conditioning system

The invention belongs to the technical field of air conditioners, and discloses an air conditioning system which comprises a double-working-condition refrigerating unit, an ice making unit, a heat preservation tank and an air conditioning terminal, the double-working-condition refrigerating unit communicates with the ice making unit in a circulating mode, and the double-working-condition refrigerating unit is used for supplying supercooled water to the ice making unit and providing first cooling capacity for the air conditioning terminal. The ice making unit is in circulating communication with the heat preservation tank, the ice making unit is used for making supercooled water into an ice-water mixture and supplying the ice-water mixture to the heat preservation tank, the heat preservation tank is used for storing the ice-water mixture, and water in the ice-water mixture can serve as primary side first chilled water to provide second cooling capacity for the air conditioner tail end; the air conditioning sys