04 Jan '12, 8pm

In case you were wondering: Incandescent bulbs still suck #lightbulbs #energy #led

In case you were wondering: Incandescent bulbs still suck #lightbulbs #energy #led

Incandescent light bulbs may be on the way out around the world, but every now and then we hear from commenters bemoaning their demise and arguing for their superiority. While the "well, they give nicer light" argument has always left me a little cold, another defense of these inefficient illuminators has given me pause for thought: Isn't the heat they produce useful? The argument stems from one of the main criticisms of incandescents—that as much as 90% of the electricity they use goes to producing heat, not light. But, say the defenders of the bulb, if the heat from the bulb warms the house and displaces the energy used by actual heating systems, then it's not really wasted, is it? On the face of it, it makes some sense. In fact we've seen some interesting designs for capturing and reusing that waste heat . But once you pause for a minute, the argument starts to fall fla...

Full article: http://www.treehugger.com/energy-efficiency/incandescent-...

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