Price to Convert from Oil to Gas in Morris & Sussex County, NJ

Key Takeways


Most oil-to-gas conversions for a typical 1,800–2,400 sq. ft. house in Morris or Sussex County cost about $8,000–$18,000 in 2026. Homes with an existing gas line, gas meter, and no underground tank often land closer to $8,000–$12,000; homes needing new gas lines, underground tanks removed, and high-efficiency equipment run higher.



  • A broader national cost to convert from an oil heating system to a gas heating system is often $6,000–$15,000, but North Jersey site conditions can increase the overall cost.
  • Natural gas or propane gas heat can lower winter utility bills by $300 to $800 for many households, and switching from oil to gas can create 30% to 50% operational savings depending on regional utility rates.
  • BDP Plumbing & Heating, Inc. handles oil to gas conversion, oil tank removal, gas line installation, gas furnace and boiler replacement, permits, and inspections in Morris, Sussex, Warren, and Somerset Counties.
  • Call BDP for a local cost breakdown in Stanhope, Byram, Sparta, Hopatcong, Netcong, and nearby towns.


What NJ Homeowners Actually Want to Know About the Cost to Convert from Oil to Gas


For many homeowners, the first question is simple: “What is the price to convert from oil to gas?” The answer depends on several factors: gas service availability, home size, system type, oil tanks, permits, and whether the old oil tank is above ground or underground.


Natural gas is used in more than half of the homes in the U.S., while oil is used in only around 5.5 million homes, showing the broad preference and availability of gas heating. Still, availability of natural gas can vary based on region: suburban Morris County towns like Roxbury, Randolph, Rockaway, and Parsippany often have easier access, while rural Sussex County locations may not have a natural gas line nearby.


BDP’s licensed contractor team confirms utility availability, examines the home, and checks whether the conversion is feasible before recommending a new system.


A technician is inspecting a residential heating system in a basement, focusing on the gas furnace and natural gas line. The scene highlights the importance of regular maintenance for efficient heating and the potential for oil to gas conversion to reduce energy costs.



Full Cost Breakdown of Converting from Oil to Gas Heat in NJ


This cost breakdown is a planning guide, not a fixed quote. Actual cost depends on the house, installation complexity, local building codes, inspection fees, and current fuel prices.


Key cost component ranges include:


  • Gas furnace: $2,500 to $7,500, based on model and efficiency rating.
  • Installation fees for a new gas furnace: $1,500 to $3,000, depending on ductwork or other modifications.
  • Gas boiler or new boiler: often higher than a furnace, especially with multiple zones.
  • Gas line work: a short interior run costs less; a new gas connection from the street can add higher costs.
  • Oil tank removal: $500 to $3,000, with underground tanks costing more because of excavation.
  • Proper disposal of the tank and remaining oil: often $200 to $500.
  • Additional expenses: chimney lining, venting, electrical controls, carbon monoxide detectors, balancing the heating system, and permits.


Before starting, homeowners should ensure that installation complies with local building codes, which often require permits and inspections for gas line work. BDP provides a written estimate for the full cost to convert before work begins.


Typical Gas Conversion Cost Summary for North Jersey Homes


For a standard two-story home with baseboard heat or radiators, expect these planning ranges:


  • Existing gas meter, accessible above ground tanks, and basic tank removal: $8,000–$12,000.
  • New gas service, chimney work, underground oil tank removal, and high-efficiency equipment: $12,000–$18,000.
  • Add-ons such as a stove, water heater, dryer, central AC, propane backup, or heat pump can raise the price.


Treat these as planning numbers. The fixed price comes after BDP’s on-site evaluation.


The Oil Tank Factor: Above Ground Tanks, Underground Tanks, and Total Price


Oil tank status is one of the biggest factors in a gas conversion. Above ground tanks in basements or yards are usually simpler to remove. Underground tanks require excavation, testing, permits, and possible remediation.


In New Jersey, an undocumented oil tank creates real liability, particularly at resale, and must be properly decommissioned, which typically means removal. A leaking underground tank can create environmental impact and cleanup costs exceeding $100,000, often excluded from standard homeowners insurance policies.


BDP coordinates with qualified tank removal specialists so oil tank costs, disposal, and documentation are included clearly.


The image depicts excavation equipment positioned near a residential yard, where an old oil tank removal is taking place. The machinery is likely involved in the process of converting from oil to gas, highlighting the transition to a more efficient gas heating system.



Unique Considerations for Converting from Oil to Gas in Morris & Sussex Counties


Northern New Jersey has both suburban gas infrastructure and rural areas where gas is not available. Many Morris County towns have natural gas mains in most streets. In Sussex County, places like Stillwater, Walpack, and rural sections of Sparta or Newton may need propane or electric alternatives.


In New Jersey, many homes in rural areas do not have access to natural gas mains, making propane a more realistic alternative for heating in those locations. BDP recommends confirming utility gas service before selecting the system.


Natural Gas vs. Propane vs. Heat Pump Options


Natural gas usually has the lowest operating cost where gas lines exist because natural gas generally provides significantly cheaper British Thermal Units (BTUs) of heat compared to heating oil. Propane gas heating works well where gas mains do not exist. A heat pump can reduce oil heating use in mild weather, while a gas furnace or boiler provides strong winter heat.


BDP can compare gas, propane, and hybrid options so you can make an informed decision.


Benefits of Switching to Gas Heating for North Jersey Homes


Many homeowners switch because oil prices fluctuate more than gas costs. Switching to gas heating can mean lower fuel costs and less fluctuation in fuel prices, giving more predictable heating expenses.


Converting from oil to gas heating often means lower maintenance costs because gas heating systems require less frequent servicing and produce less residue. There are no heating oil deliveries, less soot, cleaner indoor air, and a lower carbon footprint. Homes with natural gas heating also tend to have higher property values and improved marketability compared to homes reliant on oil.


Gas Heat Efficiency and Equipment Upgrades


Modern gas heating systems can achieve high efficiency ratings, with some models using up to 95% of the energy consumed. Some high-efficiency gas furnaces and condensing boilers reach 95–98% AFUE, compared with older oil boiler or oil furnace equipment that may operate around 80–87%.


BDP helps size equipment correctly for insulation, windows, square footage, and energy use. Ask about rebates: government and utility programs may offer $500 to $3,000 for high-efficiency gas equipment, and federal tax credits may be available for high-efficiency gas equipment under Energy Star programs.


Step-by-Step: How BDP Plumbing & Heating Handles an Oil-to-Gas Conversion


The conversion process from oil to gas heating typically involves several steps: finding a professional contractor, removing existing oil equipment, installing a gas connection, and balancing the heating system.


BDP’s process includes:


  1. Confirm gas service with the utility.
  2. Examine the home for feasibility, safety, and environmental standards.
  3. Prepare a written proposal.
  4. Schedule oil tank removal.
  5. Install or upgrade the gas line.
  6. Replace the oil furnace or boiler with a gas heating system.
  7. Test, inspect, and explain the new system.


Once permits and utility work are ready, many installations take 1–3 working days.


BDP Plumbing & Heating’s Local Expertise and Services


BDP Plumbing & Heating, Inc. is a licensed New Jersey plumbing and heating company serving Morris, Sussex, Warren, and Somerset Counties. Services include oil-to-gas conversion, gas line installation, gas furnace installation, boiler installation, emergency heating repair, drain cleaning, plumbing repairs, water heater replacement, and regular maintenance.


BDP offers free in-home assessments, transparent estimates, 24/7 emergency response, financing options, and local service in Stanhope, Byram, Sparta, Hopatcong, and Netcong. Call Morris County at 973-584-8485 or Sussex County at 973-729-7586.


Additional Expenses and Hidden Costs to Watch For


The upfront costs for converting to gas can include new appliances, gas line installation, and oil tank removal, which vary widely based on local conditions. Watch for chimney relining, direct venting, undersized gas lines, combustion air upgrades, electrical work, radiator repairs, duct changes, pressure testing, and security-related safety devices such as carbon monoxide detectors.



The payback period for converting to gas can be approximately 6.6 years based on a scenario where the total conversion cost is $10,000 and annual savings are $1,500.


Financing, Rebates, and Long-Term Savings


Financing can spread the cost over time. Long-term savings come from lower fuel bills, fewer emergency calls, improved resale value, and better efficiency. BDP can help compare your current oil usage against projected gas consumption and available incentives, including ENERGY STAR programs and NJ tank guidance from the NJDEP.


The image depicts a modern residential gas heating system installed in a tidy utility room, featuring a sleek gas furnace connected to a natural gas line. This efficient heating system emphasizes the transition from oil heating to gas heat, showcasing the benefits of natural gas conversion for homeowners.


Ready to Get a Precise Price to Convert from Oil to Gas?


If you are ready to convert from oil, BDP Plumbing & Heating can handle the permits, gas utility coordination, tank work, equipment installation, and final inspection. Gather recent oil delivery records before your visit so BDP can estimate savings, payback, and the best natural gas conversion plan for your home.


Frequently Asked Questions About the Cost to Convert from Oil to Gas



  • How do I know if my street in Morris or Sussex County has natural gas service?

    Look for a gas meter on nearby homes, then contact your utility to confirm gas main location and extension rules. BDP can help interpret the response and recommend natural gas, propane, or heat pump options.

  • Can I keep my existing radiators or baseboards?

    Often, yes. If you have hydronic heat, BDP may replace the oil boiler with a gas boiler while keeping existing piping, radiators, or baseboards if they are safe and compatible.

  • Is it cheaper to install a heat pump instead of converting to gas?

    It depends on electric rates, insulation, rebates, and comfort goals. A whole-house cold-climate heat pump can cost about the same as a full gas conversion, and many homeowners choose a hybrid setup.

  • Will insurance or lenders care about my old oil tank?

    Yes. Lenders and insurers often care about undocumented oil tanks because leaking tanks can create major cleanup liability. BDP works with reputable tank partners and helps provide removal or decommissioning documentation.

  • Who should I call for a local estimate?

    Call BDP Plumbing & Heating for a free assessment and detailed price to convert from oil to gas in Morris or Sussex County: 973-584-8485 for Morris County or 973-729-7586 for Sussex County.

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