Electric Lights
Since Edison, we have been using electricity to generate light. Here is what you should know about the different lighting technologies out there and how to compare them. Unfortunately, it isn't as simple as one technology is the clear winner, so read below and hopefully you will be able to chose the best solution for your needs.
Lighting Basics
Brightness - measured in lumens
Warmth - measured in degrees Kelvin (sp?)
Power - measured in Watts (W)
Life - measured in hours
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Compact Flourescents (CFLs)
Pros
Cons
Two types (ballasts as part of bulb or part of fixture)
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Links
http://www.treehugger.com/files/2007/08/green-basics-compact-fluorescent-lightbulbs.php
Flourescents
Pros
Cons
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LEDs (Light Emiting Diodes)
Pros - efficiency, durability, long life and no heat generated
Cons - costs
Brightness -
Warmth -
Power -
Life - 100,000 hours
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Incandescents
Pros
Cons
Brightness - 1700 (lm at 100W)
Warmth - measured in degrees Kelvin (sp?)
Power - 7-300 Watts
Life - 750-1,000 hours
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A note about DC lighting
Pros
Cons
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Neon
Pros
Cons
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Halogen
Pros
Cons
Brightness -
Warmth -
Power -
Life -
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