Since electric and propane prices vary a lot, depending on location and local rates, this is a not an easy answer. The normal rule of thumb is it takes about 22 kilowatt-hours of electricity to match a gallon of propane for heating. That means you have to compare your cost per kilowatt-hour, which varies from 8c to 40c, to your cost per gallon of propane. Example, electricity is 16c a kilowatt-hour and propane is $3 a gallon so 22 kilowatt-hours costs $3.52, so propane is a bit cheaper.
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Ernest Jenkins
2005 Newell Thunder
Shakin the open road!
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