A apparatus includes a function of automatically arranging various sensors, such as temperature, humidity, illumination, presence, and CO2, and various meters, such a power and gas, in the rooms, floors, and buildings of a building model based on BIM by arranging the various sensors according to an optimum arrangement, an installation cost-based arrangement, or a user-based arrangement and arranging the various meters based on an optimum arrangement and of displaying the arranging sensors and meters in a 3-D space, a function of displaying the arrangement coordinates of various sensors and various meters, and a function of calculating and displaying the number of arranged sensors and meters and a cost for the arranged sensors and meters.