Peter was nice enough to loan me a Kill-A-Watt for a couple weeks to investigate power usage around our home. I have thought about buying one before, but borrowing one is certainly better, though it is quite a bit of fun to test out devices to see how much power they use.
I first tried it on our dental water pik, and it is 30 watts when it is being used, and 0 when it is not. In Pittsburgh (at 11.3 cents per kWh), a 50 watt device running for a minute costs just under a penny. Our chest freezer runs at 83 watts when it is cooling, and 0 watts when it is not (pretty good, I think). I let it run for a day and the grand total is 9.4 cents ($3/month). (More)
Posted by
Jon Daley on
September 25, 2007, 8:25 pm
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