LED light bulb efficiency, illustration

LED light bulb efficiency, illustration

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Credit: ANIMATE4.COM/SCIENCE PHOTO LIBARY

Caption: LED light bulb efficiency. Illustration showing the energy efficiency of an LED (light-emitting diode) light bulb. 85% of the electrical energy of this light bulb is converted into light. 3 watts (15%) is lost as heat. The energy efficiency of LED lamps is many times better than that of incandescent lamps, and significantly better than most fluorescent lamps. The lifespan of these lamps is also much longer.

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