| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide means capable of contributing to an energy saving activity through visualization and also to provide a system capable of appropriately using a variety of information and realizable with a low cost without requiring automatic operation/stopping means.SOLUTION: An energy management system includes: data for the number of persons present in a room per a room unit calculated from room entering and leaving information; and a history database for each room for storing time data associated with the number of persons present in the room and data on an energy consumption amount associated with the time data and a device state.</p> |
