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LAYGO wrote:Not only uses less energy, but the CFL/LED bulbs make better use of the energy consumed, where as an incandescent bulb converts about 95% (!!!!) of it's energy as heat, not light.

http://en.wikipedia.org/wiki/Incandescent_light_bulb" onclick="window.open(this.href);return false;

Incandescent bulbs are much less efficient than most other types of lighting; most incandescent bulbs convert less than 5% of the energy they use into visible light[1] (with the remaining energy being converted into heat).

A city in Canada converted all their stop lights into high efficiency LED lights. Everything was great until the first snow. The LEDs produced so little heat that snow iced over the lights and no one could see what light they had

LED Bulbs are vastly superior to CFLs and don't use any mercury