The present invention relates to a technology for a sensor network, machine-to-machine (M2M) communication, machine-type communication (MTC) and internet of things (IoT). The present invention can be applied in intelligent services (smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security and safety-related services, and the like) utilizing said technology. The present invention, a method for effectively controlling a plurality of indoor devices, comprises the steps of: verifying first information of first indoor devices from among a plurality of indoor devices on the basis of energy consumption of an outdoor device connected to the plurality of indoor devices; verifying second information of second indoor devices from among the plurality of indoor devices on the basis of a previously configured comfort zone; if the number of second indoor devices is greater than the number of first indoor devices on the basis of the first information and second information, then calculating the priorities of the second indoor devices, and, on the basis of the calculated priorities, operating at least one indoor device from among the second indoor devices.