How much do the energy-efficient compact florescent light bulbs make a difference? I recently switched all my light sockets (except for my bedroom, in which I can't use them) to those bulbs. Fall is my lowest energy-usage period but I used 35% less electricity this September than last September... which was my previous lowest energy-usage month in the past two years.
I'm not sure it matters given how National Grid thieves will probably gouge me out of any savings anyways, but it's interesting.
Those light bulbs, surprisingly, are a lot easier to read by, too.
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