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Question DetailsAsked on 3/12/2016

What is the average cost to remove a gas fireplace?

I have a poorly installed gas fireplace that I have never used. I really want to have it removed and have a built in area for TV and shelves installed.

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1 Answer


If a free-standing gas stove type vented straight through the wall - probably about $250-350 to remove it and cap off electric and gas, plus whatever cost for sealing the holes in the wall and siding and putting in your entertainment center. For repairing the exterior and interior wall surfaces and plugging piping/wiring holes for probably about $250-600 range depending on type of wall finishes and siding, plus cost of whatever free-standing entertainment center you want (custom built or store-bought - the latter typically cheaper by half or more).

If this has a full exterior metal chimney to above the roof, or a flue that goes up through a chimney - can be additional $100-300 to remove that depending on a lot of factors - plus typically $300-500+ more if you want an existing wood-burning chimney returned to functionality, if the flue went up the fireplace flue. Commonly on order of $1000 more if they cut out part of the wood-burning fireplace to install the gas fireplace - sometimes only $100-200 if they basically just removed the damper and ran the fllue pipe up through there.

Note if there is an existing chimney that is being left in place but covered with an entertainment center, the top needs to be well capped with a domed cap to prevent leaks (stainless better for this than galvanized because a leak will go unseen till it causes rot), and you need to provide ventilation for the chimney so it does not accumulate moisture and start stinking, and should be cleaned of creosote before decommissioning it or you can get nasty odors coming out of it. Common solution is to (waterproof) vent it to outdoors at bottom and top to avoid that.

Answered 4 years ago by LCD

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