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New LED light bulbs: do they emit more or less heat than standard incandescent?

Asked by kevbo (25672points) October 9th, 2010 from iPhone

I’m looking to replace standard bulbs at a bathroom vanity with something cooler heat-wise. The lights are on dimmers, so most CFLs won’t work, plus the light quality is worse. Do the LEDs run cooler? I read about how they require an aluminum heat sink to protect the diode(s), but that doesn’t speak to heat emitted relative to incandescents. Thanks!

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