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We are pretty sure you’ve heard this one before. When you leave a room, you should turn off the light.  If you are using CFL’s, then each bulb is eating roughly 20 watts per hour. If you are still running incandescent bulbs, that amount could be closer to 50 or 60 watts per bulb (stay tuned for some math!).

Too lazy to turn off the lights? Or maybe you are already at work when you realize that you left a lamp on? Well, check out  Belkin’s WeMo – a wifi-enabled switch that allows you to control your lights from a smartphone!

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