Papers Comparison of LED and Fluorescent Lighting (CCrane.com) "If every U.S. household replaced just one standard 60 watt bulb with a CC Vivid LED bulb, we could save 24,184,400,000 watts or 24,184.4 mega (million) watts per day." 11-07 Fluorescent Tube Lighting Replacement (AdvancedMart.com) LED bulbs are mercury-free, unlike fluorescent lights, and last up to 50,000 hours compared to 1,000 hours for an incandescent bulb. Bulbs cost around $25 each. Visitors sometimes misspell as flourescent, flourecent, or flouresent. 12-02 LED Lighting (CCrane.com) "LED light bulbs give off directional light, so the light goes where you aim it. LED bulbs are closer to the color of daylight — which new studies suggest is good for staying alert. Our LED light bulbs can be used to replace your standard fluorescent or halogen light bulbs. The bright, white LED light produced by our LED Light Bulbs works especially well for task lighting and reading light. LEDs not only produce light more efficiently, they also have a tiny mirror that reflects light in one direction. A more directed light means less wasted light." 11-07 LED Lighting Cost (ColorKinetics.com) "Matching the cost of conventional lighting is another critical element for replacement to occur. The true measure of cost goes beyond just the initial cost of the lighting system and incorporates lifetime and operational costs as well. For example, an incandescent source may only have an initial cost of fifty cents, yet its energy consumption will cost more than ten times that over its relatively short life, when a new source must be purchased and the cycle starts again. The metric that accounts for all of these factors is called the Cost of Light. This is the measure that sophisticated customers, such as those managing large buildings, use to compare the true cost of illumination. Intelligent LED lighting systems are intersecting the Cost of Light of incandescent and halogen sources and are rapidly approaching the economic cross over point for fluorescent sources. A white paper is available for more detailed information." 02-08 Purchase Resources Electricity - Fluorescent Tube Lighting Replacement (AdvancedMart.com) LED bulbs are mercury-free, unlike fluorescent lights, and last up to 50,000 hours compared to 1,000 hours for an incandescent bulb. Bulbs cost around $25 each. Visitors sometimes misspell as flourescent, flourecent, or flouresent. 12-02 LED Lamp (Engadget.com) "The Z-Bar won I.D. Magazine's "best of category" award which is pretty sweet considering the category wasn't just lamps, it was furniture. The Z-Bar's 66, long-livin' LEDs pump 100 lumens in pretty much any direction you want thanks to that 47-inch, finger-thin neck loaded with hinges and rotational joints. Sure, 100 lumens doesn't seem like much when compared to an incandescent's 500–800 lumens. The Z-Bar's trick is to focus the light in a 50-degree viewing angle instead of the 360-degrees of waste emitted by standard light bulbs. The lamp can stand alone on its weighted base or clamped to a table edge -- your choice after forking over $130." This would be $1.30 per lumen. Awesome Library does not endorse this product but provides it as an example. A quote from another page of this site: "I don't think it would make a very good reading lamp, but it's great for desktop paperwork." 04-08 LED Lamp (Koncept Technologies) Provides a variety of Z-Bar LED lamps. Awesome Library does not endorse this product but provides it as an example. A quote from a consumer: "I don't think it would make a very good reading lamp, but it's great for desktop paperwork." 04-08 LED Lamp (SundanceSolar.com) Provides 200 lumens of focused spotlight for $45 or $.23 per lumen. It uses 3.8 watts of energy. Also provides 12v versions. Awesome Library does not endorse this product but provides it as an example. 11-08 LED Light (EarthLED) EarthPar 38 provides 800 lumens of focused spotlight for $109 and fits a standard bulb socket in a house or $.14 per lumen. It uses 15 watts of energy. This would be equivalent to an 80-watt bulb. Awesome Library does not endorse this product but provides it as an example. 11-08 LED Light (EarthLED) Evolux fits a standard bulb socket in a house and provides the equivalent of a 100-watt bulb. It is not a spotlight and is possibly a best buy. It uses 13 watts of energy and costs about $80 or $.08 per lumen. Awesome Library does not endorse this product but provides it as an example. 11-08 LED Light (EarthLED) TriSpectra focused spotlight fits a standard bulb socket in a house and provides the equivalent of a 75-watt bulb. It uses 9 watts of energy and costs about $60 or $.08 per lumen. Awesome Library does not endorse this product but provides it as an example. 11-08 LED Lighting (AlphaSolar.net) "The SoiLED LED Lamp is a 12 volt light emitting diode lamp that is three times brighter than a halogen lamp. It has a long life with power consumption of less than 1 watt. Operating temperature range is -4 to 122 degrees F. Installs in any standard socket." 11-07 LED Lighting (EarthLED.com) "The VR-12 is our highest specific output bulb available. Powered by 12-1 Watt light engines, it is ideally suited to any application where extremely focused, high light output is needed. Makes a great replacement bulb for primary lighting in large hallways, entryways and vaulted ceilings." "The VR-12 is available in traditional E27 screw base, the form factor is equivalent to a PAR38 spotlight. The VR-12 works best in applications where it is installed facing down or at an object. As the VR-12 produces no UV radiation, it is a great bulb to use for the illumination of photographs or works of art where UV can fade or destroy these objects." The light produces 660 lumens, about the same as a 60-watt incandescent bulb for approximately $130 or $.20 per lumen. Awesome Library does not endorse this product but provides it as an example. 04-08

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