How can occupancy control of building’s lighting system make it more efficient?
Electrical devices like lights only consume electricity when switch on. By linking lighting systems to some for of occupancy control the time during which a light is on can be limited hence saving energy. Occupancy devices include simple timeclocks that provide a time based on/off profile for a building, area of room or the provision of presence technology that uses infra-red or ultrasonic sensors to determine if an area is occupied, automatically switching on or off the lights as necessary.
