<p>Provided is an energy conservation support system, comprising: residential devices that are disposed in each of a plurality of residences, and which notify users of messages that support energy conservation; and an administrating server that transmits the messages to the residential devices. The administrating server transmits messages to the residential devices that are disposed in the plurality of residences, said messages having recipient information appended thereto that denotes characteristics of the respective users that are the intended recipients. The residential devices further comprise notification units that notify users of received messages when the recipient information that is appended to the messages matches characteristic information that is preloaded in the residential devices.</p>
