Author Topic: LED bulb calculator  (Read 452 times)

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Offline John Raabe

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LED bulb calculator
« on: November 30, 2016, 02:10:15 PM »
http://www.bulbs.com/learning/energycalc.aspx -

Compare bulbs cost and energy usage. You probably already know that LEDs are better - but look by how much  :D
None of us are as smart as all of us.