Sunday, 10 June 2012

Automated lighting controls

Automatic lighting


Automatic lighting controls are an effective and low-cost means

to save energy. For the most part, they’re very quick and simple

to install.


Timers are affordable and easy to operate. Depending on the

model, they can be programmed to turn lights and appliances on

and off over a 24-hour period or seven-day period.

Motion / occupancy sensors

Motion sensors are commonly found in outdoor areas such as

decks or courtyards. When motion is detected, the light goes on,

and remains on until movement stops. Motion sensors can also

be installed in common areas such as a building’s ‘party room,’

storage rooms, laundry room, hallways and landings.


Photocells control lighting based on the amount of ambient

light, and are a good choice for outdoor security lights, which

turn on as daylight dims, and turn off when the sun comes up.

Photocells can be paired with a timer, so lights go on as evening

sets in, but then turn off automatically after a pre-set amount of

time if it is not necessary for the lights to stay on all night.

Exit signs

Because exit signs are always on, they should definitely be on

your list of projects to reduce energy consumption. Old-style exit

signs are lit with incandescent bulbs; you’ll know them because

they feel hot to the touch. One option is to retrofit the sign with

CFL bulbs. Other options include installing LED lights using a

retrofit kit, or replacing the sign altogether with an LED one,

which can save 90% in operating costs. BC Hydro estimates that

each changed sign can save over $25 of electricity per year. You

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