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Advantages
over incandescent lamps
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Fluorescent lamps are much more efficient than incandescent light bulbs of an
equivalent brightness. This is because more of the consumed energy is converted
to usable light and less is converted to heat, (allowing fluorescent lamps to
run cooler). They also have a longer lamp life, which can be further lengthened
by avoiding cramped enclosures, where heat build-ups that wear the lamp down
may occur.
The seemingly cheap light bulbs could be replaced with seemingly more expensive fluorescent lamps, but due to electricity savings and the longer lifespan of the individual light source, money can be saved in the long term. Most incandescent light bulbs turn about 90% of the used power into heat. That is, they mainly produce and radiate heat instead of light. Whilst a typical light bulb might consume about 60 watts of power, a fluorescent lamp of approximately the same apparent "brightness" would take only 25% of this (about 15 watts).
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