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Question DetailsAsked on 10/21/2015

How much does it cost to convert An oil heater to gas.

I have baseboard heat. I already have a gas hot water tank.

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2 Answers


Assuming the piping to the area (put in for the water heater) is adequate size for the furnace too (commonly 3/4 or 1" black iron pipe but sometimes plastic, depending on local code), can run from as little as around $300-500 if there is a conversion kit made for it, to non-economic if an alternative burner has to be sized for it - though I suspect that is probably illegal now with the new energy standards this year.

Clearly, you need to get a few bids, then based on those numbers versus estimated cost of replacement boiler and age of existing unit, decide whether getting replacement bids is a good idea.

Of course, as part of the conversion cost, you need to also add the typically $500-3000 cost (though generally $1000+) for removing the oil piping and tank. Obviously usually lower end if indoors unless tank has to be cut up to get it outside, generally higher end if underground tank and can go MUCH higher if soil is contaminated.

Answered 5 years ago by LCD


BTW - here are a few prior questions along the same line with responses FYI -

Answered 5 years ago by LCD

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