In New Jersey in 2026, a central AC replacement runs $6,000 to $11,000 installed, a full system with a new furnace or air handler runs $9,000 to $17,000, a single-zone ductless mini-split runs $3,000 to $5,000, and a multi-zone mini-split runs $5,000 to $14,000. Call (201) 676-3099 or book a free estimate.
In New Jersey in 2026, a central AC replacement runs $6,000 to $11,000 installed, a full system with a new furnace or air handler runs $9,000 to $17,000, a single-zone ductless mini-split runs $3,000 to $5,000, and a multi-zone mini-split runs $5,000 to $14,000. A ducted heat pump that replaces the AC and carries most of your heat lands around $9,000 to $18,000. Which one you should buy depends on one thing more than any other: whether your house has ducts.
What does a new AC or heat pump cost in NJ in 2026?
North Jersey runs about 15 to 20 percent above the state average on HVAC work — Bergen, Hudson, Essex and Passaic pay more for the same box. The ranges above are North Jersey numbers for a licensed, insured crew, permit included.
| System | Typical fixed-price range (NJ, 2026) |
|---|---|
| Central AC replacement, 2–3.5 ton (condenser and coil) | $6K – $11K |
| Full system: AC plus gas furnace or air handler | $9K – $17K |
| Ducted air-source heat pump replacing the AC | $9K – $18K |
| Ductless mini-split, single zone | $3K – $5K |
| Ductless mini-split, 2 zones | $5K – $8K |
| Ductless mini-split, 3–4 zones | $8K – $14K |
| Add: ductwork changes, new returns, sealing | +$500 – $3K |
| Add: electrical work or a panel circuit for the new equipment | +$500 – $2K |
| AC repair: capacitor | $250 – $400 |
| AC repair: contactor | $200 – $450 |
| AC repair: blower motor | $500 – $2.3K |
| AC repair: compressor | $1.8K – $2.8K |
| Refrigerant, per pound installed | $90 – $150 |
| Diagnostic visit (our minimum, covers up to 2 hours) | $495 |
| After-hours emergency minimum (covers up to 2 hours) | $695 |
Which system fits your house?
Replace the AC. If the furnace is also past 15 years, do both at once — the coil, the line set and the labor overlap, and a matched pair is cheaper than two separate visits two winters apart. That's the $9K to $17K bracket.
This is half of North Jersey: the 1920s colonials in Ridgewood and Montclair, the capes in Fair Lawn and Bergenfield, the two-families in Hudson County. Ductless mini-splits are the answer. One head cools a big room or an open first floor. Three or four heads cool a whole house without tearing out plaster for ductwork.
An attic conversion, a sunroom, a bonus room over the garage, a finished basement. One mini-split head, $3K to $5K, and you stop fighting a system that was never sized for that space.
A heat pump is an air conditioner that runs backwards in winter. Modern cold-climate units keep working well below freezing, and most New Jersey installs keep the gas furnace as backup for the worst nights — that setup is called a dual-fuel or hybrid system, and the controls switch automatically.
Don't buy a bigger condenser. Fix the ducts first. A 4-ton unit pushing through 2.5 tons of duct is loud, short-cycles, and never dries the air out.
Does a higher SEER2 rating pay off in New Jersey?
SEER2 is the efficiency rating on cooling equipment. Federal minimums for our region start around 14.3 SEER2 for a split-system AC, and most New Jersey homes land at 15 to 17. Going higher adds roughly $1,500 to $3,500 to the job.
The honest math: New Jersey has about three and a half hot months. A jump to 18 SEER2 saves real money in Texas. Here it takes a long time to pay back on cooling alone. Two things change that — a heat pump runs the same equipment all winter too, and a rebate program may cover part of the upgrade.
What actually lowers your bill here: a correctly sized system, sealed ducts, a variable-speed blower and attic insulation. Blown-in attic insulation on a typical New Jersey house runs $1,000 to $2,500 and does more for comfort than two SEER2 points.
Are there rebates for a heat pump or AC in NJ?
Yes — programs exist, and we won't quote you a dollar figure that's out of date by the time you read this. New Jersey's Clean Energy Program has run rebates and financing for high-efficiency heating and cooling, and PSE&G, JCP&L, New Jersey Natural Gas and Elizabethtown Gas have run their own programs alongside it. Federal tax credits for heat pumps have moved around too.
Two rules. Check the current program before you sign anything, because amounts, equipment tiers and deadlines change. And rebates are usually tied to a specific efficiency tier and an AHRI-matched system, so the paperwork has to be right. We hand you the model numbers, the AHRI certificate and the invoice detail the applications ask for. We don't promise an amount, and be careful with any contractor who does.
Do I need a permit to install AC or a heat pump in New Jersey?
Yes. Replacing or installing cooling equipment is mechanical work under the New Jersey Uniform Construction Code, and the electrical hookup is its own subcode. Your town's construction office issues it and an inspector signs it off. Permit fees typically run $50 to $500 depending on the town and the scope.
We pull it, we meet the inspector, and it's in the price. Skipping it is common and it bites later: unpermitted mechanical work is exactly what shows up in the attorney review when you sell. Condo, co-op and two-family jobs usually need the building's approval on top of the town's — and where the condenser or the mini-split line set can go is often written into the rules.
The sizing mistakes that cost you money
- Guessing the tonnage off the old unit. The old one may have been wrong for 20 years. A load calculation — Manual J — uses your square footage, windows, insulation and orientation.
- Oversizing. A too-big system blasts cold, hits the thermostat, shuts off and never runs long enough to pull humidity out. Cold, clammy house, compressor worn out early.
- Ignoring return air. Plenty of New Jersey houses have enough supply and one starved return. Adding returns is cheap next to what people spend chasing the symptom.
- Reusing an old line set with new refrigerant. Some can be reused, some can't — it gets flushed or replaced, not assumed.
- Putting the condenser where it suits the installer. Not under a bedroom window, not boxed in by fence and shrubs, not where winter ice sheets off the roof onto it.
- Forgetting the electrical. New equipment can need a different breaker, a new disconnect, or a panel with room in it.
Where these numbers come from
New Jersey HVAC contractor price guides published in 2026, North Jersey installer pricing for Bergen, Hudson and Essex counties, national cost guides adjusted for our labor market, and our own 2026 quotes. Ranges are typical fixed prices from a licensed, insured contractor with the permit included.
Questions people ask next
How much does it cost to put central air in a house with no ducts in NJ?
Adding full ductwork to an older New Jersey house is expensive and destructive — you lose closet space and plaster. Most people go ductless instead: $3,000 to $5,000 for one zone, $8,000 to $14,000 for three or four.
Do heat pumps work in New Jersey winters?
Cold-climate heat pumps keep producing heat well below freezing, and New Jersey rarely stays down there for long. Most installs we do keep the gas furnace as backup for the coldest nights, so the heat pump handles the shoulder seasons and the furnace covers the January cold snap.
How long does an AC install take?
A straight condenser-and-coil swap is one day. A full system with a furnace is one to two days. A single mini-split head is usually one day; three or four heads take two to three. We pull the permit first, and the inspection happens after, without any more disruption to you.
How long should a new AC system last in NJ?
Twelve to 18 years for central AC, a little longer for a furnace, 12 to 15 for mini-split heads. Annual service matters more than brand. Coastal houses in Monmouth and Ocean counties get less — salt air eats the coil, so a coated coil is worth it down there.
Should I repair my old AC or replace it?
Repair if it's under about 10 years old and the fix is a capacitor or contactor — $250 to $450 and you're running. Replace if it's 15-plus and needs a compressor at $1,800 to $2,800, or if its refrigerant is being phased down and costs a fortune every summer.
What does a refrigerant leak cost to fix?
Refrigerant runs $90 to $150 a pound installed, but topping off a leaking system is throwing money away. A real repair means finding the leak, fixing it, pulling a vacuum and recharging by weight. A leaking coil in an older system usually means it's time to replace.
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 number for your house, sized properly?
Free in-home consultation, a real load calculation, and an itemized written price on the spot — permit included, no deposit. See our AC Repair & Installation and Ductless Mini-Splits pages for what's in each install.
Or call Alex direct: (201) 676-3099