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Careful_Square1742 t1_j3qmxmf wrote

lots of variables - insulation, window/door seals/efficiency, furnace or boiler and efficiency of either, wind/solar exposure.

I'm lucky to be on natural gas - I burned 31 CCF last month, which is 3,214,700 btu

that's 35 gallons of propane @ $3.05/gal = $107

that's 23 gallons of #2 fuel oil @ $4.34/gal = $100

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