What does heating conversions involve in Wilmington?
Oil-to-gas conversions typically cost about $6,000 to $12,000 with an existing gas line and $12,000 to $20,000 when a new line is needed. Oil tank removal adds about $500 to $3,000+. Oil-to-heat-pump conversions trade fuel costs for electric load and may qualify for Energize Delaware heat pump rebates.
What are the signs you need heating conversions?
- Oil equipment near end of life
- Gas main now available on your street
- Aging or buried oil tank
- Want to electrify alongside solar
- High winter fuel bills
- Renovation opening walls and ceilings
How much does heating conversions cost?
| Component | Typical published range |
|---|---|
| Conversion with existing gas line | $6,000 – $12,000 |
| Conversion with new gas line | $12,000 – $20,000 |
| Gas furnace or boiler | $3,500 – $12,000 |
| Gas line installation | $500 – $3,000+ |
| Oil tank removal | $500 – $3,000+ |
| Chimney liner | $1,500 – $4,000+ |
Published U.S. ranges for planning only, not Wilmington quotes. Your written price depends on diagnosis, access, equipment, permits, and timing. Sources: HomeGuide – oil-to-gas conversion cost.
What should a good service visit include?
- Confirm gas availability with the utility, or electrical capacity for a heat pump
- Compare conversion paths with total cost and operating estimates
- Plan tank removal or abandonment and permits
- Install, commission, and document decommissioning of the old system
What is different about Wilmington properties?
Natural gas service in northern New Castle County is provided by Delmarva Power. Availability varies street by street in older suburbs and estate areas, so ask the utility for a service quote early. Oil tank rules differ for above-ground and underground tanks.
Ask the responding provider for identity, applicable Delaware license information, a written diagnosis or scope, total price, and warranty terms.
Related guides
- From Steam Boiler to Heat Pump: What Wilmington Owners Should Plan
- HVAC Rebates and Incentives in Delaware (2026)
- HVAC Permits in Wilmington: A Homeowner Checklist
- Oil Heat in Wilmington: Switch to Gas or a Heat Pump?
Where do we take heating conversions requests?
Requests are accepted across Wilmington and nearby New Castle County communities, and heating conversions comes up most often in Greenville & Centreville, Hockessin.
