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Old 04-06-2012, 03:13 PM   #1
JoshuaWhite5522
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trying to get a feel for how much natural gas a set of burners will be using, basically I'm looking for some help with my math.

two burners at 72,000 btu/hr = 144,000btu/hr.

my utility company bills me in therms (at 38 cents a therm), and I understand that a therm is = to 100,000btu. I'm assuming that means btu/hr.

so if both burners are running for an hour using 144,000btu, and I'm charged 38 cents for every 100,000 btu, should it cost me approximately 57cents for the hour?

I have a feeling that I'm wrong because that just seems too cheap.
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Old 04-06-2012, 04:08 PM   #2
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I usually brew one a month, 10 gallon all grain batches, and didn't see bill go up much if at all.

 
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Old 04-06-2012, 04:39 PM   #3
hpz937
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that sounds about right to me, propane tends to be more expensive and it only costs a couple dollars an hour I believe

 
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Old 04-06-2012, 06:26 PM   #4
audger
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unfortunately you cant do your math based on the BTU rating of the burner, because that rating is dependent on the volume of gas flowing thru the burner, and varies considerably.

however...
Quote:
so if both burners are running for an hour using 144,000btu, and I'm charged 38 cents for every 100,000 btu, should it cost me approximately 57cents for the hour?
that math is atleast correct, assuming your burners are actually using the rated 72k BTUs.

 
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Old 04-06-2012, 06:47 PM   #5
evandena
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Wow, that's a lot cheaper than I expected. Makes me glad I went NG instead of LP, plus never ending supply.
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Old 04-06-2012, 06:53 PM   #6
phoenixs4r
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Quote:
Originally Posted by evandena
plus never ending supply.
Best part. Always hated not knowing how much propane was left on a brew day.

 
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Old 04-06-2012, 06:58 PM   #7
Breweralex
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Go electric.... Even less expensive and also never runs out!

 
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Old 04-06-2012, 07:06 PM   #8
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There is no way Electric is cheaper than Natural Gas. The Heating elements are like those used in water heaters which cost 4 or 5 times more a month than natural gas.




Quote:
Originally Posted by Breweralex View Post
Go electric.... Even less expensive and also never runs out!
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Old 04-07-2012, 10:10 PM   #9
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Quote:
Originally Posted by bkl63 View Post
There is no way Electric is cheaper than Natural Gas. The Heating elements are like those used in water heaters which cost 4 or 5 times more a month than natural gas.
even if the upfront costs are more for electric it is cheaper to brew with electric than gas.

 
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Old 04-07-2012, 10:15 PM   #10
evandena
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Quote:
Originally Posted by eastoak

even if the upfront costs are more for electric it is cheaper to brew with electric than gas.
Why are electric water heaters way more expensive to run than gas? Where's the efficiency loss with brewing?
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