System and method for controlling a plurality of points, each having an air conditioner, an illumination device and an electric device

A system and a method for controlling an air conditioner are provided. In a system where respective points (11-19) in which facility devices including an air conditioner are installed are connected to each other, power used information is collected by points (11-19) and corresponding fee information is computed so that respective points (11-19) can be managed, statistic data with respect to power amount information and fee information are transmitted to respective point (11-19) so that a user read the information, thereby managing the information in the center or by points (11-19) easily, and improving convenience.