Compact fluorescent lamp

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Compact fluorescent lamp

Fluorescent light bulb in which the tube is folded or twisted into a spiral to concentrate the light output. Compact fluorescent lamps (CFLs) are typically three to four times as efficient as incandescent light bulbs and last 8–10 times as long. CFLs combine the efficiency of fluorescent light with the convenience of an Edison or screw-in base, and new types have been developed that better mimic the light quality of incandescents. Not all CFLs can be dimmed, and frequent on-off cycling can shorten their life. Concerns have been raised over the mercury content of CFLs, and though they have been deemed safe, proper recycling and disposal are encouraged.
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Once a business has agreed to the recommended measures, Con Edison provides free upgrades, such as compact florescent light bulbs, and then pays the contractor up to 70% of the final installation cost for all other upgrades--leaving the small business to pay approximately 30% of the cost without having to wait for a rebate.
has begun tracking the shopping habits of its "green" shoppers, using what it calls a "Live Better Index" -- a barometer of customer attitudes, based on sales of compact florescent light bulbs, organic milk and baby food, extended-life paper products, and laundry detergents in concentrated form or with reduced packaging.
The usage data gives customers immediate feedback on how their energy-saving efforts -- installing compact florescent light bulbs or a high-efficiency gas furnace, for example -- affect their energy consumption and their utility bills.

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