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Question DetailsAsked on 8/19/2013

what is typical cost to convert oil to gas?

My house is a cape code. Floor one is about 1200sqft. Basement has 500sfqt converted. Attic is currently empty. Currently has oil but would like to convert to gas for heat and hot water.

What is typical cost in Rhode Island (not including incentives)?

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1 Answer


OK - wide open question. There are 5 parts to this cost:

1) install natural gas line to house - can run from $0-500 or so for a simple meter install depending on your utility charges, if gas line was run to your house already (not likely if you were on oil unless utility recently extended into your area and provided free service line to all houses). To run from street to house and install meter typically about $500-1000, though some utility companies will do it for free because they plan on recouping the cost in gas sales over the years.

2) install gas line into house and valves and stubouts for appliances - typically about $500, plus or minus say $250 depending on length of run, assuming open access through basement or crawlspace (no opening up of walls or floors).

3) gas water heater typically about $1000 plus or minus $250, including removal of old one

4) gas furnace for about 2000 SF typically $2500-3500 for run of mill unit, $3-5,000 for energy efficient, $5-8,000 for extreme high efficiency units. Includes removal of old furnace UNLESS asbestos insulated, in which can add $500-4000 depending on type of insulation, whether ducts are asbestos insulated, etc. Least expensive for just asbestos lined furnace, middle cost for asbestos lagging or board on furnace and ducts, most for spray-on asbestos, typically.

5) remove oil tank and piping - can be as little as $500 for an elevated tank with above-ground lines, to $1-2,000 for buried, plus from $500-50,000 for cleanup if it leaked over the years. Usually about $500 cleanup cost for above ground (almost always spillage or leakage requiring from 1-5 CY of dirt), typically $1-5,000 for underground tanks at residences.

Glad you are aware of inventives - check for federal, state, local, and utilityones - can frequently be compounded - I had one neighbor recently upgrade his furnace and hot waer heater into a comgbined unit plus attic insulation - his total cost under $500 including the energy audit, and another friend in an outlying area with new gas availability went from diesel to gas and, after the federal energy rebate, actually made money on the deal, though granted our state program is EXTREMELY generous due to high energy costs.

Answered 7 years ago by LCD

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