Myth: Leaving lights, computers, and other appliances on
uses less energy than turning them off and also makes them last longer.
Fact: The small surge of power created when some devices are
turned on is vastly smaller than the energy used by running the device when it
is not needed. While it used to be the case that cycling appliances and
lighting on and off drastically reduced their useful lifetimes, these problems
have been largely overcome through better design.
(science beat at the Berkeley Lab)
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