A controller stores an apparatus-room association table in which an apparatus installed in a home is associated with a room in the home, and stores a room-user association table in which the room in the home is associated with the user. One or more headarm assemblies are mounted on a pivot bearing. The flow-dividing plate divides the cooling air generated by an air-blowing fan toward left and right sides of the central cooling-air passage. The Web service server may include price information for items comparable to the item requested by the customer. The connector housing is configured to mount on the plug.