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1gal. Propane = 91600 BTUs

1gal. Kerosene = 135000 BTUs

To heat 1,000,000 BTUs it would cost:

10.91 gals of Propane x (price per gal) = Cost (to heat 1mil btu)

7.4 gals of kerosene x (price per gal) = Cost (to heat 1mil btu)

Remember this is at 100% efficiency.

If you are working with something less efficient you must multiply the fuel btu by the efficiency.

For example:

Propane Furnace that is 80% efficient.

1,000,000 / (91600 x .8) = 13.6 gals

13.6 gals x (price per gal) = Cost (to heat 1mil btu)

Kerosene furnace that is 60% efficient.

1,000,000 / (135,000 x .6) = 12.3 gals

12.3 gals x (price per gal) = Cost (to heat 1mil btu)

Hope this helps

good luck

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14y ago
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11y ago

The biggest differece is in ther SPELLING and no. of LETTERS.

natural gas hv 10 digits and propane hv 7 digits

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Q: What is propane vs kerosene cost per BTU?
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