The present invention, (a), design a model building module 100. Architectural design step in terms of establishing model using design data; (B) analysis model constructs module 200, and analysis model is by adding the information foundation to actual architectural design model; (C) prediction module 600 of the prediction information of the building of next chronomere is determined; (D) it is being determined above by using the energy simulation that prediction information energy simulation component 300 executes analysis model; (E) it generates a control value component 400 and generates a rate-determining steps of praedial value so that energy minimizes the consumption of simulation implementation resu (f) BEMS (building management system, a building management system) 500 comprising step is the actual building controls unit time according to the control value, establishes a kind of for controlling the energy of the method for a building of offer by estimation.
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