Compact fluorescent lamps (CFLs) are fluorescent light bulbs designed to replace an incandescent bulbs; they can fit in the existing light fixtures formerly used for incandescents. CFLs use less power and have a longer rated life (average rated life of a CFL is between 8 and 15 times that of incandescents), but generally have a higher purchase price. In the United States, a CFL can save over $30 in electricity costs over the lamp's lifetime compared to an incandescent lamp, and save 2000 times its own weight in greenhouse gases.
Compact fluorescent bulb
Last updated, 10/15/2008
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