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Question: Why should we use Compact Fluorescent Lamps (CFL’s)?
Answer: Changing from “traditional” light bulbs to CFLs is an effective, accessible change every American can, and should make right now to reduce energy use at home. In addition, we would reduce greenhouse gas emissions that contribute to global warming. Lighting is about 20 percent of your home’s electric bill. CFL’s use up to 75 percent less energy than “traditional” incandescent light bulbs, and last 10 times longer.
If every home in America replaced just one incandescent light bulb with a CFL, we would save enough energy to lite more than 3 million homes for a year and also reduce Greenhouse gas emissions equal to removing 800,000 cars from our roads. Review the comparison chart below to see how much you can save per lamp.
Standard Incand. |
Long life |
Energy Miser |
Halogen |
Compact Fluor. |
750 hours |
2,500 hours |
1,000 hours |
3,000 hours |
10,000 hours |
watts (lumens) |
watts (lumens) |
watts (lumens) |
watts (lumens) |
watts (lumens) |
25 (220) |
|
|
|
4 (230) |
40 (480) |
|
34 (410) |
42 (665) |
7 (400) |
60 (880) |
52 (720) |
52 (800) |
52 (885) |
13 (800) |
75 (1200) |
67 (940) |
67 (1130) |
72 (1200) |
18 (1175) |
100 (1750) |
90 (1260) |
90 (1620) |
100 (1740) |
27 (1675) |
150 (2850) |
|
135 (2580) |
|
32 (1950) |
flood: 75 (760) |
|
|
45 (700) |
18 (800) |
Notice, for example, that an energy saving 13-watt Compact Fluorescent produces about the same amount of light in lumens as its 60 watt incandescent counterpart, but uses only 25% of the energy and lasts 10 times as long. Even given its higher cost, such a bulb would cost approximately $28 dollars over its life vs. $72.50 for an incandescent (using a cost per kWh of 10 cents).
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