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Energy Efficient Lighting
What are Energy Efficient Light Bulbs?
2007
Energy efficient light bulbs are known as Compact Fluorescent Lamps (CFLs). They were invented by Philips around 25 years ago. They use less energy than the traditional tungsten filament bulbs. 
They work very much like fluorescent tube lighting which have an internal phosphur coating. Other advantages are they generate less heat 
(wasted heat is wasted energy) and last up to 10 times longer than filament bulbs.
Because of the low energy design, they have a different consumption rating compared to traditional filament bulbs. See the ratings below for comparison.
- 40W Filament = 7 - 10W CFL
- 60W Filament = 15 - 18W CFL
- 100W Filament = 20 - 25W CFL
- 150W Filament = 32W CFL
The Government also revealed that the standard GLS bulbs (Filament Bulbs) that are the most common bulbs in UK homes, will not be for sale after 2011, in an effort to lower energy consumption. This wholesale approach will inevitably drive down prices of CFL bulbs in the near future.
Saving you money?
CFL bulbs cost more than filament bulbs to purchase, however, they use less energy and last 10 times longer. Depending on the usage and location, the cost over a 2 year period will save you money on your electricity bill. Typically you will achieve around 5,000 hours of lighting from a CFL bulb. Always turn off lights when not in use. There is no truth in keeping a light on will cost less than switching it on and off constantly.
Using energy saving bulbs should be given good consideration especially as we have seen such dramatic rises in electricity bills in recent years.
Consider using these bulbs in rooms where the lighting is used constantly when dark. e.g. Living Room or external security lighting. The most recent innovations allow for smaller bulbs, coloured bulbs for accent lighting. Newer designs can also work with rheostat dimmer switches.
Town and Country Lighting are happy to advise you on your purchase of energy efficient light bulbs.
Energy Label (Light Sources) Monitoring Programme, Market Transformation Programme of Defra, June 2003.
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