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Asked on: June 11, 2012 by Kathy M., Naples
Do light dimmers really save energy?
Dimming the lights can save a substantial amount of energy and may extend the life of the bulb. Modern light dimmers reduce the voltage to dim the lights in a much more efficient manner, so they have negligible energy losses unlike the dimmers of 40 years ago. Dimmable compact fluorescent light (CFL) bulbs can save even more, but keep in mind that their dimming characteristics are often only high, low, and off. For lights you do not dim, traditional CFLs are a true bargain. They use 75 percent less energy than standard light bulbs, and they last 10 times longer. The average CFL will save over $50 in electricity over the bulb’s lifetime. The substantial energy savings and long life cycle make CFLs a great choice for lights you use for several hours a day and for light fixtures in locations that make it difficult to switch out the bulb. CFLs designed for outdoor use are also available and the savings can really add up for lights you leave on at night. If you have been hesitant about buying CFLs because you don't like the color of fluorescent light, check the back of the package for bulbs with a warmer color temperature in the range of 2700-3000K. For additional ways to save at home, check out our appliance tips at www.FPL.com/appliance.
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