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White LED lies: It's great, but Nobel physics prize-winning great?

Paul Crawford Silver badge

Another factor that is often overlooked is that in a place like the UK where a lot of lighting is used in winter, indoors, and along with heating, then any increase in efficiency is going to be partly offset by the heating system making up for the reduction in waste heat.

Other than that point, I tend to agree with Tim that we will just use more of it if the running cost is reduced.

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