To switch off or to leave on?That is the question...
Does turning fluorescent lights off use more energy than leaving them on?
A common misconception is that there is a boost of energy required to
power up a bulb so you should leave lights on when leaving an area for a
short amount of time. It turns out, however, the power surge is so brief that its energy draw
doesn't amount to much; the equivalent of a few seconds or so of normal
operation, according to U.S. Department of Energy estimates. In other
words, strictly from an energy saving standpoint, it's almost always
beneficial to shut off fluorescents when leaving a room—the start-up
energy is offset by the power saved in even the briefest outages.
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