| 摘要 |
PURPOSE: A power consumption quantity comparing method and a system thereof in which a consumer purchases an appliance based on the information of power consumption are provided to analyze the amount of power by comparing the power of home automation appliance. CONSTITUTION: User information including an electricity cost information is transmitted(S12). An information household electrical appliance in which the part is replaced about the home automation machinery is inputted from the user of the home network system(S16). The tool information inputted from the user and existing tool information are integrated. The amount of electricity and the changed forecast electricity cost calculate(S17). The amount of electricity and forecast electricity cost are offered to the user(S18). |
