June’s Energy Efficiency Tips

by Steph Marshall | on Jun 18, 2013 | No Comments

During the summer months daylight is at a premium so it’s important to remember to utilise every glimmer of this natural energy source rather than habitually switching on the electrics.

This month’s energy-efficiency tips focus upon lighting controls and how best to conserve the energy that we have become so reliant upon. Read more…

Manual switches

The standard switch that you’ll find in most buildings is the manual single-pole version that was one of the first-ever energy-saving devices. It may have been original but it’s still fallible to human error, i.e. it can be forgotten about and left on.  One way to combat this is to locate switches away from exits and walkways. In this way turning a switch on is an active process rather than a habitual action, which will cut down on the light wastage due to human negligence.

Time clocks

These are great devices if your building is operating within a fixed schedule. Available in both electronic and mechanical styles, time clocks will control lights and alleviative some of the problems caused through manual alternatives.


If you need an outdoor lighting control mechanism, then photocells should be considered.  They react to the outside elements and turn themselves off and on according to levels of darkness. They are particularly well suited for security lighting and are a great way of saving energy, in an almost ‘fit and forget’ manner.

Occupancy sensors

I used to work with a lady who would always come in early to do the post. She once commented on how nice it was for the security guards to turn the lights on for her, as she was the first to enter the floor.  Occupancy sensors (rather than security guards) are an excellent method of detecting movement and lighting an area accordingly.  By using an occupancy sensor rather than a manual equivalent you can expect to save anything up to 50% of energy savings within an office environment with: meeting rooms, storage areas, conference rooms and warehouses all benefiting from up to 65% savings.

Daylight harvesting

You don’t need a sunny or clear day to harvest daylight as thanks to strategically placed photo-sensors and electronic dimming ballasts you can form a control system that’s able to maintain a consistent light level no matter what the weather’s like outside. Output changes gradually by use of fade controls so occupants aren’t subjected to sudden changes in light levels only subtle gradients throughout the day.

If you’re interested in finding out how best to control lighting within your building or have any questions on the controls mentioned above, then feel free to give us a call on: 01273 358 534 or email: info@nullretrostructure.com

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