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LED stands for Light Emitting Diode. No filaments heat up, as in traditional lights. Instead the light is created by a cleverly designed tiny electronic chip. LED could stand for Little Electronic Device.
LEDs require very little electricity to power them up. This is because they are extremely efficient. Their design converts approximately 90% of the electricity they consume into light. In a conventional light the figure is more like 10 - 15%, with the rest of the electricity effectively wasted in lost heat. Our Greenled downlighters, for example, draw only 5 Watts of electricity to light up, compared to the 35 Watts drawn by a traditional halogen downlighter. That is a saving in electricity consumption of approximately 85%. Not bad when the cost of electricity is continually rising. All Greenled lights are LED-based and all are highly energy-efficient.
Compare the cost of our lights to CFLs and halogens Halogen & CFL lamps though initially cheaper to purchase have a very short life. A Greenled lamp will see out appromimately 50 halogens lamps or 8 CFL lamps over its 50,000 hrs life.

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The cost of light usually refers to how much money it costs to purchase and maintain a lamp over its lifetime. Usually used by maintenance managers in business, there is an industry accepted formula that takes into account 6 variables. The 6 criteria are energy costs, power consumption, labour costs, lamp costs, lifetime and light output and the resulting figure is given in pounds per million lumen hours. |

Simply enter in the form fields below and press 'Calculate' to see how much money switching to Greenled Direct LED bulbs will save you.
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| Annual cost of equivalent Greenled bulbs: |
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"I have found the lights to be very effective in an internal passage with little natural light where we have always left the lights on all day. They still stay on all day but at a fraction of the cost."
Mr AS, London
"Thank you so much. The lights are already up and working beautifully." Mrs MK, Suffolk