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Light Bulb Lineup: Comparing Incandescent Bulbs with CFLs and LEDs 11 лет назад


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Light Bulb Lineup: Comparing Incandescent Bulbs with CFLs and LEDs

Learn everything you always wanted to know about light bulbs but were afraid to ask in this QUEST article: http://ow.ly/mgICJ By David Huppert Producer, QUEST North Carolina According to the EPA, the average U.S. home has about 30 light fixtures. And most of them are probably filled with traditional incandescent bulbs. By switching to more energy-efficient models you can save hundreds of dollars a year. Specs for bulbs used in demo: Incandescent Philips 40 watt Soft White Brightness: 470 lumens Estimated Yearly Energy Cost: $4.82 Life Duration: 0.9 years Light Appearance: 2710 K Energy Used: 40 watts Price: $1.47 per 4-Pack (Home Depot, May 24, 2014) CFL ecosmart 40-watt equivalent Soft White Brightness: 550 lumens Estimated Energy Cost: $1.08 Life Duration: 9.1 years Light appearance: 2700 K Energy used: 9 watts Price: $6.97 per 4-Pack (Home Depot, May 24, 2014) LED CREE 40-watt replacement Warm White Brightness: 450 lumens Estimated Yearly Energy Cost: $0.72 Life Duration: 22.8 years Light Appearance: 2700 K Energy Used: 6 watts Price: $9.97 Each (Home Depot, May 24, 2014) Credits: Produced and edited by David Huppert Shot by Mike O'Connell Graphics by Heather Dollar Music by David Lott

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