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Old Jan 10, 2011 | 08:43 PM
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block heater KW

Was wondering what the KW is on a block heater. I have two trucks plugged in tonight. I know I can see a difference on the light bill when I have them plugged in.
 
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Old Jan 10, 2011 | 08:46 PM
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last I heard they are 1000 watts so that would be one kilowatt-hour per hour you run it. mines on an x-10 controlled outlet so it only turns on certain times of day.
 
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Old Jan 10, 2011 | 08:52 PM
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With two plugged in one outlet that puts me at 16.66 amps. border line tripping a breaker.
 
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Old Jan 10, 2011 | 09:15 PM
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I'd have one plugged in with a lighted cord end so you can easily tell if the breaker tripped.
 
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Old Jan 10, 2011 | 10:26 PM
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Originally Posted by gatorpsd
With two plugged in one outlet that puts me at 16.66 amps. border line tripping a breaker.
Not if your on a GE breaker.
 
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Old Jan 10, 2011 | 10:57 PM
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You know thats really a good topic.. How much of a difference in the utility bill a person should expect with plugging their PS in!
 
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Old Jan 10, 2011 | 11:16 PM
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my girl says our electric bill only runs about 20 bucks more a month during the few plug in months. But I dont go to work until 1 so i can plug in for a couple hours before i leave.

i have thought about building a little cart equipped with a solar panel, a couple of batteries, and an inverter for this task, but it seems that it would take a few years to pay for itself. Would be cool though.
 
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Old Jan 11, 2011 | 01:40 AM
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Originally Posted by Midwest Dually
You know thats really a good topic.. How much of a difference in the utility bill a person should expect with plugging their PS in!
Only you can know that. Look at your electric bill and figure out what the per kWh cost is. Since the heater draws exactly 1 kW, as said, it draws 1 kWh for each hour it runs. Here, it's about 15 cents / kWh, so running it for 3 hours is 45 cents. And it's a waste to run it more than about 3 hours before you start it up. A timer pays for itself within a week if you drive it every day.
 
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Old Jan 11, 2011 | 07:26 AM
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Originally Posted by madpogue
Only you can know that. Look at your electric bill and figure out what the per kWh cost is. Since the heater draws exactly 1 kW, as said, it draws 1 kWh for each hour it runs. Here, it's about 15 cents / kWh, so running it for 3 hours is 45 cents. And it's a waste to run it more than about 3 hours before you start it up. A timer pays for itself within a week if you drive it every day.
I dont think actual watts would be exactly 1000. it would depend on how many actual volts its running at. home depot has a device called Kill-a-watt it plugs in and has a display that tells you all kinds of interesting information including actual watts and how much a device costs to operate. you can get it other places besides home depot. your money would be better spent on a timer though. no reason to leave the heater pluged in 24/7.
 
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Old Jan 11, 2011 | 07:42 AM
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Originally Posted by madpogue
And it's a waste to run it more than about 3 hours before you start it up.
Originally Posted by Ken_C
your money would be better spent on a timer though. no reason to leave the heater pluged in 24/7.
x3 on timer. Mine's on a separate "block heater" circuit in the breaker box. 20A w/ GFCI.

Timer. Intermatic. has a cover to keep snow and assorted animals out. think it was around $20ish at local hardware store
It's only rated to 15A, 1800W so would probably not want to run 2BH's off it, but 1 is fine.


Robb
 
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Old Jan 11, 2011 | 09:54 AM
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Originally Posted by PowerStroker94
Not if your on a GE breaker.
GE are pretty good breaker not as good as Square D. Now a Federal breaker that is scary. I couldn't trip one if I tried.
 
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Old Jan 11, 2011 | 12:09 PM
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Originally Posted by Robbgt
x3 on timer. Mine's on a separate "block heater" circuit in the breaker box. 20A w/ GFCI.

Timer. Intermatic. has a cover to keep snow and assorted animals out. think it was around $20ish at local hardware store
It's only rated to 15A, 1800W so would probably not want to run 2BH's off it, but 1 is fine.


Robb
I have a similar timer, a worthwhile investment IMO.
 
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