Method and system for remote control of decentralised individual air conditioners without cross-linking interface

The method involves wirelessly connecting individual air conditioners (12) to a corresponding local manual operation part (13). The air conditioners are remote controlled by an automatic operation unit (28) with an identical wireless interface to the air conditioners. The operation unit is communicatively connected with a control unit (20). A switch-off command (36) is received by the control unit from an energy management system (38). A control signal is sent by the control unit to the air conditioners for shifting down or deactivating the respective air conditioners based on the command. Independent claims are also included for the following: (1) a system for remote control of decentralized individual air conditioners (2) a control unit (3) an operating unit.