Kill-a-watt finding interesting stuff
Just a quick post about things I’m finding about appliances I use around the home that are surprising me a bit..
Vizio 42″ LCD TV… wattage on the TV says it consumes about 700 Watts (maximum)… actual usage? 220 Watts! That kindof surprised me (in a good way) since I thought normal usage would be way higher. I guess the labels on some appliances really show maximum usage and not average usage.
In a similar way, my Mini Sony SRX-33 Laptop rated at 60 watts… is only showing about 20 watts on average use (i.e. typing on keyboard, surfing the web). Pretty good results too.
On the other hand… my Dish Network DVR 622 used up 29 watts every single hour of every single day.. even if power was shut off through the remote! This is kind of misleading since I have always though the power button to at least shut down part of the system to save energy… doesn’t look like it though! I know it needs to be on to be able to record shows but couldn’t they have designed the device to work on a timer to wake up on recording time or something so that energy use could be much lower?
This kill-a-watt meter is really coming in handy… how about you? What have you found out about your appliances?… ![]()

December 2nd, 2008 at 12:00 pm
Kill-A-Watt Observations:
My Sharp Aquos 42″ LCD TV uses a little more that 0.01kwh per day in standby, the “Phantom Load”. I could use a power strip, but it will cost me only 30 cents per year to operate if I want to have the convenience of having the remote-control always enabled.
I have a portable hot-air humidifier that I use when someone in the house gets sick. It draws 285 watts. I would like to replace it with a cool-mist humidifier, which would probably draw about 35 watts.
The energy-star tag on my new refrigerator indicates that it should use 499kwh per year, or about 1.36kwh per day. In reality, it uses about 2.5kwh per day. Bummer!
John
June 14th, 2009 at 12:55 am
I use my kill-a-watt meter to monitor the output of my PV system’s inverter. It’s nice to know how much my system is putting out.
John
April 20th, 2010 at 8:47 am
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May 14th, 2010 at 12:50 am
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