The little black box that reveals your energy-guzzling ways

Thursday, February 05, 2009 - 06:05 AM


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Comments [6]

Joe

The Sentilla boxes use micro-watts of electricity, or less than 0.001 Watts. That's less than 1/10 of 1 cent per year to get this information. Your appliances are consuming hundreds of Watts.

Feb. 05 2009 10:48 AM
Jay

The energy to power these devices and their radios is most likely very little. And the lights on the devices are most likely LEDs. What eats up energy in your home are motor loads such as washing machines, dryers, dishwashers, HVAC systems, and consumer electronics like PCs (hard drive and CD drive spinning) and DVD players.

Feb. 05 2009 10:04 AM
Patrick Di Justo

Nice try, folks, but computers like that use a few milliwatts. Spending 5/1000th of a watt in order to save 50 or 100 watts = a good trade.

Feb. 05 2009 10:03 AM
mlocker

Good question! We are trying to track down the answer for you.

Feb. 05 2009 08:51 AM
Caroline

My thoughts exactly, Wendy. John, did you even ask about it? Bet the black boxes use a lot of energy, right?

Feb. 05 2009 08:34 AM
Wendy

Uh, you forgot the obvious question. How much energy do these boxes use? 50 small lights in a house, I imagine, could be a significant boost to energy use.

Feb. 05 2009 08:30 AM

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