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 Home Brew Forums > Help! Buying an antique Kelvinator fridge to convert into a kegerator!
08-25-2012, 04:39 PM   #21
beaksnbeer
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A lot of the Energy hog fridges that are used in these comparisons are side by sides which are inefficient. Most use between 10.8 -14.8 amps. So Volts x Amps = Watts, and Watts x Hours run x Days = Total Watts, Total Watts divided by 1000 = Kw on electrical bill. This is how they are all calculated it doesn't take into account inside thermal mass, external temperature, open/close excesses, this is figured with fridge set at manufacturer's recommended setting. Just give you an idea of projected cost. That said my 20cubic foot kezzer at 115 volt and 4.3 amp with a run time of 2 hours total run time per day at 30 days per month at 13 cents per kilowatt cost \$ 3.86 per month.

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08-25-2012, 04:46 PM   #22
beaksnbeer
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Quote:
 Originally Posted by kerber Agreed! I've been monitoring my newly rebuilt kegerator and get great efficiency on it! It's received all new R-19 pink insulation and rubber foam weatherstripping gasket for the door. Quoting one of my posts from my vintage kegerator thread...
So based on the math and using national average cost per kw your cost to run is \$2.27per month
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12-11-2012, 07:36 PM   #23
lumpy5oh
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OMG!! I love this site!
I have been battling my wife for years to let me keep my '68 Kelvinator fridge. Upto today I haven't even plugged it in for 10 years thinking it was going to suck up massive amounts of hydro. It is a 6.5 cubic foot model and the compressor plate reads 2.5amps @ 110V. Using the math used on this site I figure if the compressor runs for 3 hrs a day it will cost me \$3 a month. For now I only plan on using it as a fridge. I would like to add a temp controller as well to control costs.

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12-11-2012, 08:02 PM   #24
kerber
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Quote:
 Originally Posted by lumpy5oh It is a 6.5 cubic foot model and the compressor plate reads 2.5amps @ 110V. .
If you really want to get a good idea of the energy consumption, pick up a kill-a-watt.
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12-11-2012, 09:56 PM   #25
beaksnbeer
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Quote:
 Originally Posted by lumpy5oh OMG!! I love this site! I have been battling my wife for years to let me keep my '68 Kelvinator fridge. Upto today I haven't even plugged it in for 10 years thinking it was going to suck up massive amounts of hydro. It is a 6.5 cubic foot model and the compressor plate reads 2.5amps @ 110V. Using the math used on this site I figure if the compressor runs for 3 hrs a day it will cost me \$3 a month. For now I only plan on using it as a fridge. I would like to add a temp controller as well to control costs.
To be fair it may be more/less depending on what YOU pay per Kw. It will list it on your summery on the electric bill.
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12-12-2012, 02:40 PM   #26
CoalCracker
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I replaced the door seal on mine with a new OEM and replaced the insulation with R30 Unbacked insulation. Mine should be pretty efficient. I have to get a killawatt to measure it.

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12-12-2012, 09:10 PM   #27
beaksnbeer
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Nope just do the math

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