Choosing between a gas Furnace and an Oil Furnace is a common question New Jersey homeowners ask their local Heating and Cooling pros, especially when they’re replacing an old system.
Despite both systems being able to heat your home just fine, the right choice ultimately comes down to your specific situation and your location, what kind of fuel is readily available, how old your home is, and what your long-term costs will be. As the local pros, we see firsthand how these systems perform in real-life conditions – and we’re not just spouting off sales pitches.
Why Gas and Oil Furnaces Keep Being Used in New Jersey
New Jersey has a pretty unique mix of:
- Older homes that were built before natural gas lines were even a thing in those areas
- Suburban neighborhoods where a lot of existing oil tanks are still in use
- Cold winters that really put your heating system to the test
Because of this, both gas and oil furnaces are still widely used in NJ – especially in the Middlesex County area and surrounding neighborhoods.
Gas Furnaces — The Preferred Choice of NJ’s Best HVAC Pros
Why We Prefer Gas Furnaces
For most homes in NJ, when gas is available to the property, we recommend upgrading to a natural gas furnace.
Here are some key reasons why:
- Higher energy efficiency – often up to 90-98% AFUE
- Lower monthly heating bills for you
- Fewer emissions and a cleaner burn
- Easier maintenance and less chance of equipment breakdowns
- You also don’t need to worry about needing to schedule oil deliveries or having a big storage tank taking up space out in the yard.
In towns like Sayreville and Old Bridge, we see a lot of homeowners upgrading to gas when they replace an old oil furnace, especially when doing a renovation or system upgrade.
Oil Furnaces – Still a Good Choice for Certain Homes in NJ
Even though gas furnaces might be more popular these days, oil furnaces still have a place in some NJ homes.
When an Oil Furnace Still Makes Sense
We might recommend sticking with or replacing an oil furnace if:
- There just isn’t any natural gas service available in the area
- Converting to a gas furnace would be too expensive for a renovation
- The home already has a modern, well-maintained oil system setup
- The homeowner just really likes the way oil furnaces heat – it can get pretty hot!
Oil furnaces put out a ton of heat, which some homeowners really appreciate during those super cold winter months in NJ.
Cost Comparison – Gas vs Oil Furnaces in New Jersey
Installation Costs
- Gas furnace installation: If the gas lines are already in place, then things are easier and less expensive
- Oil furnace installation: Can be pricier if you need to replace the oil tank or upgrade the venting system
Operating Costs
- Gas is generally cheaper to run and more stable in price.
- Oil prices can be all over the place and require scheduling deliveries.
In the long run, gas furnaces usually work out to be the better value for most NJ homeowners.
Maintenance Differences HVAC Technicians See in the Field
From professional experience:
- Oil furnaces require more frequent cleaning
- Oil systems produce more residue and soot
- Gas furnaces tend to have fewer emergency breakdowns
That said, regular maintenance is critical for both systems. Many breakdowns we see in winter are due to skipped tune-ups.
Related: Professional Furnace Repair Services in New Jersey
HVAC Expert Recommendation for NJ Homeowners
Our professional recommendation:
- Choose gas furnaces if natural gas is available
- Consider oil furnaces only when gas access is limited or conversion costs are too high
- Always base the decision on home size, insulation, and system age
Every home is different, which is why HVAC professionals stress proper system evaluation before replacement.
Trusted Furnace Experts in New Jersey
At Delco Heating & Cooling, our HVAC professionals help homeowners across Sayreville, Old Bridge, and New Jersey choose the right heating system based on real-world performance, not guesswork.
Schedule a professional furnace consultation today and get expert guidance tailored to your home.