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Question DetailsAsked on 1/7/2017

Oil to gas boiler conversion costs. Specifically,plumbing and supply costs.

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Assuming you already have gas service to the building, and assuming outdoor pipe run (fastened to outside of house) or in accessible crawlspace to near the boiler then exposed metal gas pipe to the appliance (so not running through joist spaces or repairing installation drywall damage), probably on the ballpark order of $5/LF to run the gas line from your meter to the appliance. If you want to run the pipe concealed in the floors then commonly around $250-700 more for normal cases (depending on run length and accessibility), plus several to quite a few hundred $ in repairing and repainting the drywall holes needed to install the pipe or flex tubing, as may be allowed in your area.


If you do NOT have gas service already, then anywhere from free (utility assuming their installation cost will be recovered in the monthly service charge and gas usage fees) to as much as several thousand in some areas or where you have fairly long run (say up to several hundred feet) to connect to their main.


Then the conversion itself - below are some links to similar previous questions which should help on that issue. Of course if the manufacturer makes a conversion kit it may only run a moderate number of hundred $ - otherwise might require an installation of a "universal" conversion kit for likely closer to $1000 range. Also - in some few states (hello California, and Oregon as I recall at least) because an aftermarket kit and sometimes OEM conversion kits are not energy rated for that particular appliance, they are banned and you have to buy a new boiler. And of course, if your existing boiler is old (say over about 10-15 years) or low efficiency, it may pay to get a new one with better fuel efficiency and presumably a long future life and a warranty.


http://answers.angieslist.com/what-ty...


http://answers.angieslist.com/Is-wort...


http://answers.angieslist.com/how-oil...


Note I did not discuss costs of removing the fuel oil system and tank - you can find some previous questions on that issue in the Home > HVAC link in Browse Projects, at lower left. Or by putting in "oil tank" into the Ask box above, for links to oil tank and piping removal cost. My recommendation - when you get rid of a heating oil system, do NOT abandon any of it in-place - tear it all out even if it costs a bit more, so come resale time you can present a complete removal certificate and honestly say all components (and any contamination) have been removed. Otherwise can be a major stumbling block, especially with buyers using federal home loan agencies or guarantees. Many homeowners insurance companies are now requiring that complete removal certification as well before they will insure a property.

Answered 1 year ago by LCD




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