For most New Jersey homes with natural gas, the best 2026 answer is a dual-fuel system: a cold-climate heat pump that heats and cools most of the year, with a high-efficiency gas furnace that takes over on the coldest nights. Call (201) 676-3099 or book a free estimate.
For most New Jersey homes with natural gas, the best 2026 answer is a dual-fuel system: a cold-climate heat pump that heats and cools most of the year, with a high-efficiency gas furnace that takes over on the coldest nights. Homes with oil, propane or electric baseboard heat should go straight to a cold-climate heat pump, which cuts heating bills the most. Homes with cheap gas and old ductwork often still do best with a new gas furnace plus a normal AC.
Here is how to decide, with real costs and what changed with the incentives.
Quick comparison
Prices are for replacing existing equipment with working ductwork. Add $500 to $3,000 for duct changes and $500 to $2,000 if the electrical panel needs a new circuit for the heat pump.
| Gas furnace + central AC | Cold-climate heat pump | Dual-fuel (heat pump + gas furnace) | |
|---|---|---|---|
| Installed cost, typical NJ home (2026) | $9K – $17K | $12K – $22K | $14K – $24K |
| Heats down to | Any temperature | -5°F to -15°F at reduced output | Any temperature (furnace takes over) |
| Cooling | Yes, separate AC | Yes, same unit | Yes |
| Best fuel situation | Cheap natural gas | Oil, propane, electric baseboard, or no gas line | Natural gas, want lower bills and a backup |
| Equipment life | 15 – 20 years furnace, 12 – 15 AC | 12 – 15 years | Both |
| Runs during a power outage | Only with a generator | Only with a generator | Only with a generator |
What a heat pump actually is
A heat pump is an air conditioner that can run backward. In summer it moves heat out of the house. In winter it pulls heat out of the outdoor air, even air that feels freezing, and moves it inside. Because it moves heat instead of making it, it delivers two to three units of heat for every unit of electricity. A furnace burns gas to make heat and can never beat 98%.
Ten years ago heat pumps quit at 30°F, and that reputation is still around. Modern cold-climate models keep full output near 5°F and still heat at -15°F. They are common in Maine and Quebec now. New Jersey winters are easy for them.
When a gas furnace still wins
- You have natural gas at a low rate and the furnace is the only thing you are replacing. A 96% furnace is $5,500 to $8,500 and will run for 20 years.
- Your ductwork is undersized or leaky. Heat pumps move more air at lower temperatures and need good ducts. Fix the ducts first or go dual-fuel.
- Your electrical service is 100 amps and already full. A heat pump needs a 30 to 60 amp circuit; a panel upgrade adds $3,500 to $6,600.
- You want the cheapest possible equipment cost today and do not care much about summer cooling efficiency.
When a heat pump wins
- You heat with oil, propane or electric baseboard. A cold-climate heat pump usually cuts those heating bills by 30% to 60%, and you get real central air with it.
- You are replacing the furnace and the AC at the same time. One heat pump replaces both, and the price gap over furnace-plus-AC shrinks to a few thousand dollars.
- You have or plan to add solar. Electric heat from your own roof is the cheapest heat there is.
- You want one system, one filter, one maintenance visit.
Why dual-fuel is the New Jersey sweet spot
A dual-fuel setup runs the heat pump whenever it is the cheaper way to heat, which in our climate is most of the winter, and switches to the gas furnace automatically when it is very cold or when gas is cheaper than electricity at that temperature. The thermostat handles the switch. You get the lower bills of a heat pump, the punch of gas on a 5°F night, and a backup if either side ever fails.
Rebates and tax credits in 2026: what changed
The federal 25C tax credit that paid up to $2,000 toward a heat pump ended for equipment placed in service after December 31, 2025, so do not count on it for a 2026 install. What is still available changes by utility and by season: New Jersey's Clean Energy Program and the gas and electric utilities (PSE&G, JCP&L, Elizabethtown Gas, NJNG, South Jersey Gas and others) run their own heat pump and high-efficiency rebates, and some offer on-bill financing at 0%. We check the current programs for your address during the free visit and fill out the paperwork with you. Never pick equipment based on a rebate someone quoted from memory.
Running costs: a simple way to compare
Ask for both numbers before you sign: the price to install and the estimated cost to run each system for a year in your house, using your actual gas and electric rates. A heat pump with a high HSPF2 rating on a house with cheap gas can cost about the same to run as a 96% furnace. On oil or propane, the heat pump is not close; it is far cheaper. If a salesperson cannot show the running-cost math, they are guessing.
Questions people ask next
Do heat pumps work in New Jersey winters?
Yes. Cold-climate heat pumps keep full heating output near 5°F and still heat at -15°F. New Jersey rarely sees temperatures a modern unit cannot handle, and a dual-fuel setup removes the worry entirely.
Is a heat pump cheaper to run than a gas furnace in NJ?
Compared with oil, propane or electric baseboard, much cheaper, often 30% to 60% less. Compared with natural gas, it depends on your rates; it is often close, and a dual-fuel system takes the cheaper option automatically.
How much does a heat pump cost installed in New Jersey?
A ducted cold-climate heat pump replacing an existing AC and furnace typically runs $12,000 to $22,000 in 2026. Ductless mini-splits start around $3,000 to $5,000 per zone. Electrical and duct changes can add $1,000 to $5,000.
Can I keep my furnace and add a heat pump?
Yes. That is dual-fuel. The heat pump replaces your AC and does most of the heating; the furnace stays as backup for the coldest days. It is the most popular setup we install in gas-heated NJ homes.
Is the federal heat pump tax credit still available in 2026?
No. The 25C credit ended for equipment placed in service after December 31, 2025. Utility rebates through New Jersey's Clean Energy Program and your gas or electric utility may still apply; they change often, so check the current program before you buy.
Need heat pump installation near you?
If you searched “heat pump installation near me” anywhere in New Jersey, that's us. First Call Contracting is based in Paramus and sends its own licensed crew to all 21 counties — written price before work starts, no deposit, a real person on the phone 24/7.
Want the running-cost math for your house?
Free in-home visit. We size it, price both options in writing, and check the current rebates for your address. No deposit, no pressure.
Or call Alex direct: (201) 676-3099