| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a water heater control device capable of promoting equalization of electric power loads covered by an electric power company. <P>SOLUTION: A center server 30 of a management company 3 comprises an electric power unit price information acquisition block 31a and a control portion 32, and controls a water heater 20. The water heater 20 stores hot water in a tank 22 by boiling the water supplied from a tap water source 26, and provides the hot water according to demand by a user. The electric power unit price information acquisition block 31a acquires electric power unit price information. The electric power unit price information is information relating to electric power unit prices by date and hour determined by the electric power company 5 supplying electric power to the water heater 20. The control portion 32 creates a schedule of a hot water storage operation of the water heater 20 to optimize electric power charge borne by the user. <P>COPYRIGHT: (C)2007,JPO&INPIT |
