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One thing I've thought about lately is garage door openers. I have 2 openers that are almost never used, I don't know how much power they draw when idle, but it's not zero.
Here's another dumb one - I have a zoned heating system, and the original zone motors were power closed, spring open. The thing is, when the system isn't calling for heat, all the dampers are closed, 8 watts a piece. And since they're powered all the time they didn't last more than 6 years. New motors are power open, power close, so they draw no power when they aren't moving. Didn't have to change the controller, just flipped a switch.
I wish brighter (100w equivalent) leds were cheaper. I still have incandescents in the garage.
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