Method for operating an air-conditioning

The invention relates to a method for operating an air conditioning system with an evaporator (3), the circulating in one of a refrigerant compressor (13) refrigerant circuit (12) is arranged, and a heater (4) which is disposed in a coolant circuit (18), wherein the heater (4) is charged as a refrigerant storage and temporarily assumes the function of the evaporator (3) and the air flowing through cooling.