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Light bulbs made simple
While there are plenty of news stories and opinions about new light bulb standards and equivalencies, many people are still unsure about what to buy. Following Q&A will help you.
Q: What it is the best replacement for incandescent light bulbs?
A: The only bulb that no longer meets basic efficiency requirements is the 100-watt traditional incandescent. A 100-watt bulb is now required to use no more than 72 watts of electricity. Good replacement choices for your traditional incandescent bulbs are LEDs (light-emitting diodes), CFLs (compact fluorescent lamps) and halogen incandescent bulbs.
Q: Which light bulbs are most energy-efficient and cost-efficient?
A: LEDs are most energy efficient. A single Energy Star-qualified LED light bulb can last up to 25,000 hours and use 75 percent less energy than an incandescent bulb.
Keep in mind that while a traditional incandescent costs only about 50 cents to buy, it costs more than $7 per year to operate. While an LED bulb might cost $20, it should last about 10 years.
Another good choice is Energy Star-qualified CFLs. These bulbs use about 75 percent less energy than standard incandescent bulbs and last eight to 10 times longer.
