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Question DetailsAsked on 10/16/2012

How much does it cost to run a gas line, through a crawl space, for a gas fireplace insert? Do plumbers charge by the foot or hour?

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5 Answers


Hi, MT.

We always recommend getting detailed estimates so that you'll know the cost breakdowns from different plumbers or fireplace experts you're considering hiring. To find companies in your area, be sure to check Angie's List.

Answered 7 years ago by HughV


It really depends on the difficulty of the job, the code requirements in your area, and the amount of piping needed. In our area in Virginia a normal job through the crawl space usually runs $1000 to $1400.

Answered 7 years ago by Jim Brewer


We usually charge by the foot !


Answered 7 years ago by MiaMat


In Indiana, you must be a licensed plumbing contractor to hook up a gas line. Most of the guys I use charge time and materials but give me a really close estimate before they start.

Answered 7 years ago by Vern


How they charge you is irrelevant - they are going to figure the materials needed, and the time needed to do the job, and give you that amount for their estimate - you should be comparing total $ for the job between bids, and this is a job that can easily be lump sum bidded.

Not knowing how far you are going, assuming it is clear going through exposed floor joists in basement/easy working crawl space from gas pipe (probably at furnace/water heater), AND assuming current line is size is enough to handle fireplace too (usually is), then I would say typically about $500 plus about $10/LF - so $750-1000 range with easy access.

If crawl space is low headroom (less than about 4 feet say) then add probably $5 to per foot cost.

And of course, if have to open up flooring to run pipe, then costs more - also somewhat more if have to run crosswise to floor joists so each one needs to be drilled, instead of running between floor joists or hanging to the underside of the joists - that would add probably another $5 or so/LF to cost - so coming right into range of Jim Brewer's numbers in many cases.

If you arein one of the few areas that allow coil plastic gas tubing, then overall cost might go down by 25-50%, because it can then be done with one piece of tubing, but there are not many places that allow that under houses - most jurisdictions only allow that buried outside.

Plus cost of permit if more than $50 or so, plus of course cost of buying and installing the fireplace insert itself, which would be done by a fireplace/stove installer.

Answered 6 years ago by LCD

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