The usage and character of the space will determine what type of user control interface is to be used and how they will interact, this can be the local switch, the local sensor and centralized control.
Peak or off-peak periods: the method of control method will be determined by the type of space and the time period.
Centralized control: centralized area control, reception centralized control and control room can all coexist and operate at the same time.
Equipments serviced include: lighting, air conditioning, ventilation fans, shades.
Serviced space: public areas, rooms, halls, daylit or windowed areas, outdoor areas.