A guy tries to convince me that turning off florescent lights and then turning them back on uses more energy than just leaving them on. He said that when they flicker they are warming up and this takes more energy than when they have reached a steady state. Now I am not talking abought turning them on an off in seconds or even minutes.
This seems like a bunch of nonsense but I am not 100% sure. Any thought/facts?
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Depending on how much you pay for electricity, if you're coming back within 15 or 20 minutes, leave them on. If you're going to be gone longer than that turn them off. This link explains:
http://lightingdesignlab.com/articles/switching/switching_fluorescent.htm
Thanks, just what I was looking for.
it will also burned them out quicker, we got some in our shop that never been turned off and there close to ten years old.