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Gas Log Fuel Consumption
| GAS BURNING APPLIANCE
COST PER HOUR CALCULATION
LP
1 gallon weighs 4.24 lbs.
1 gallon produces appoximately91,500 BTU
20 lb tank holds about 4.72 gallons
4.72 gallons produces about 432,000 BTU
Cost of a gallon in 100 lb and smaller tanks is about $2.70 here in Dayton. In larger tanks it comes down to about $2.10 per gallon.
YOUR COST MAY DIFFER SIGNIFICANTLY FROM THESE
At $2.70 the cost per 1,000 BTU is $.0295 (less than 3_)
“ “ 10,000 BTU is $.295 (less than 30_)
“ “ 91,500 BTU is $2.6992 (less than $2.70)
At $2.10 the cost per 1,000 BTU is $.0229 (less than 2 1/3_)
“ “ 10,000 BTU is $.229 (less than 23_)
“ “ 91,500 BTU is $2.095 ($2.10)
YOUR COSTS MAY DIFFER SIGNIFICANTLY FROM THESE
To calculate:
1) Divide the cost per gallon by the number of BTU produced by a gallon. This will give you the cost for 1 BTU
2) Multiply this result by 10,000 to get the cost per 10,000 BTU.
3) To determine the cost per hour – Multiply the cost for 10,000 BTU by the number of 10,000 BTU segments there are in the BTU rating of your appliance.
Example: A 90,000 BTU appliance has 9. Multiply the 10,000 BTU cost by 9.
A 150,000 BTU appliance has 15. Multiply the 10,000 BTU cost by 15.
At $2.70 Cost At $2.10 Cost
90,000 BTU system $2.65 $2.06
150,000 BTU system $4.42 $3.43
270,000 BTU system $7.96 $6.18
415,000 BTU system $12.24 $9.50
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