(609) 799-3434

Heating and Cooling That Keeps Your Home Running

When your HVAC stops doing its job, the whole family feels it.

Your HVAC system is the hardest-working equipment in the house, and when something breaks down you need fast, professional help. Princeton Air provides HVAC repair across New Jersey for every major piece of residential heating and cooling equipment, handled by NATE-certified technicians who know what your system needs.

Call us or schedule online, and we’ll be on the way.


Emergency HVAC Repair Available 24/7

Heating and cooling failures don’t happen at convenient times.

You can count on Princeton Air around the clock, any day of the week, for emergency HVAC repair across our New Jersey service area. A quick call or online request gets a technician dispatched to your home ready to diagnose the problem, explain what’s happening, and restore your comfort safely.

(609) 799-3434

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Experienced HVAC Help From a Team You Know

You want an HVAC team that handles the full range of residential equipment with real working experience.

Princeton Air has repaired New Jersey heating and cooling systems for more than 50 years, which covers every major type of HVAC equipment running in this region: central air conditioners, gas and oil furnaces, boilers, heat pumps, and ductless mini splits.

That range means your technician arrives prepared for whatever equipment is in your home, with the diagnostic instincts that only come from repeated work on the real thing.

Years in Business

Skilled employees

Emergency Service

Trucks on the Road

How a Princeton Air HVAC Repair Visit Works

You deserve a clear, professional process from the moment you reach out.

Here’s what happens when you schedule HVAC repair with Princeton Air:

You reach us by phone or through online booking, whichever fits your day. Our team member listens to the symptoms, asks the clarifying questions that help a technician arrive ready, and books a service window that works around your schedule.

Your technician arrives on time, inspects the affected equipment, and explains what they find in direct language. Before any work begins, you see a clear, written estimate so you understand the scope and can make the decision with confidence.

Your technician completes the repair with the attention to detail that makes a repair hold up rather than fall back into the same problem six months later. Before leaving, you see the system tested across its operating range to confirm your HVAC is back to full performance.

(609) 799-3434

What Our Customers Are Saying

100% Satisfaction Guarantee

4.7
Based on 6531 reviews
Tanzil Ali was very professional and helpful, answered all of my questions. I would recommend him to everyone I know. I would like to see him again next time I need service.
Dominic was fantastic. My air conditioning stopped working I called the Company at 9:30 and Dominic was here at 3:00 he quickly diagnosed the problem, had everything working again in no time, and checked the entire system to make sure everything was running properly.
Professional, knowledgeable, and a pleasure to deal with. I truly appreciated his prompt response and excellent service. Highly recommend!
Knowledgeable and professional technician.
Dominic came to my home to evaluate a sudden issue with my HVac unit.
He was smart, polite and helpful. He came in & went right to work.

I highly recommend Dominic as a service technician as he remedied my problem with confidence & skill.

Thank you Princeton Air
AnnMarie Barone
I highly recommend Ryan Gobel, technician, of Princeton Air. He did a diagnosis of my boiler's problem and explained calmly the problem. I brought Princeton Air in for a second opinion after a "senior tech" at AJ Perri fast talked me and told me some lie about what was wrong. I canceled them. Got Princeton Air. Ryan came out and said something different and fixed the boiler correctly. He is professional, extremely knowledgeable, and nice. Thank you Ryan and I look forward to seeing you again for the fall maintenance.
I needed a new HVAC system. From the beginning of the process through the finished installation the McAllister Service Co team was very professional and answered all my questions to my satisfaction. The installation went smoothly and the team did a thorough clean up of the equipment installation locations. I want to say a special thanks to Zeus and Michael D my maintenance reps, Jason L my system and installation project manager, and Joe D, my installation team manager and his team on 6/8.
Princeton Air Conditioning replaced my 25 year old central air conditioner. The sales person was very knowledgeable, made sure I was getting the correct size unit, explained the available options and got a quote out very quickly. They were very competitive on price and did an excellent job installing the unit. I am planning on having them provide all maintenance on the unit. I highly recommend Princeton Air Conditioning.
They are a great company, hvac techs where totally professional,
Ryan G is a knowledgeable, professional and has great customer service.
Martique was 5+! Extremely knowledgeable and thorough. I do have a significant concern about one of the inspection findings related to the evaporator coils. Will address directly with the company.
Helped with an electrical issue. Fair and affordable.
Great service and follow up. Honest answers
Dominic was very professional and installed my new Nest Thermostat in. He showed me some features and mage sure I had the app set up on my I- Phone. Dominic forgot to put the door back on my furnace but returned and put it securely back on.
I was very happy with the central air conditioning system Princeton Air installed for me. They were very prompt in getting a quote to me, were very competitive and did an excellent job with the installation. I plan on using them for all maintenance on the unit and highly recommend them.
I appreciate how responsive Princeton Air is. Tom did all he could to fix our system.
They did a great job. Nelson was very knowledgeable and professional.
MOST RECENT June 2026:
Weltman has been purchased by Princeton Air. They have been really great. A seamless transition on the customer side. Eric was just here to put in a new anti-scaling system and a pressure relief valve for the house. Very happy!

UPDATE:
Now in our home for almost 8 years and Weltman has never disappointed! Chris L came today and was completely professional and quick for our yearly inspection of our furnace before the cold winter! Itโ€™s great to know they keep great notes and, almost, know more about our system than we do!

Weltman will always make it right if something is wrong. They will also get to you ASAP! We have been customers since we bought our home 3 years ago and have been completely satisfied!
Teck was knowledgeable and courteous
The technician Alfredo is great
I was recommended Princeton Air by a friend and Iโ€™m very happy that I was. I had a hvac and furnace system that was 25 years old and in dire need of replacement.
Chris from the company came out very promptly and did a full review, taking the time to take me through the different options. From there we reached an agreement and within one week the team came out and did a full dual zone system replacement.
I was blown away by the professionalism and indeed sheer hard work of the installation team. They arrived at 08.30am and finished at 8.30pm working tirelessly to complete the job in one day. A huge thank you to Princeton air, Chris and the install team -Jorge Vizueta, John Jaramillo, Juan Torres and Jhonny Anacona for a really cool air conditioning experience. Thank you!
The repair man, Dominic came out this morning to inspect our AC system. He was extremely knowledgeable, incredibly kind, and explained things very well. I work in construction and can tell you that Dominic is one of the best Iโ€™ve seen in years. Princeton air is very lucky to have him as an employee as he is SUCH AN ASSET to your company.

I also want to give a special thanks to Leah the customer service representative I spoke to. Also extremely kind and helpful. I have had the worst two weeks of my life and two strangers taking the time to kind made my heart smile. Thanks again Leah and Dominic.
Norman was great!!! He has come before. His advice and work were great!!!! Unfortunately Princeton Air, formerly a family run business, has been bought by a large corporate group, and we have chosen not to use them any longer
The technician was thorough, knowledgeable and professional. He also called for an ETA and was punctual.
I wanted to say a BIG Thank you to Princeton Air and Jesus C for coming to our rescue when AC in our house wasnโ€™t working (despite it working fine 3 weeks ago). My daughter and her friends arrived on Friday afternoon for a girls weekend. Even though the compressor unit outside was running, no air was coming through the vents inside the house. After talking her through a few things over the phone (none of which resolved the issue), I called Princeton Air.
Despite it being already 5pm on Friday, they dispatched a technician who arrived within an hour. Jesus C called me several times to keep me updated about the repair. Within 45 min, the air was blowing COLD!!
I highly recommend this company. I am beyond grateful for the prompt and professional service we received.
Thanks so much for the EXCELLENT service from Norman. He was very knowledgeable and so friendly. Really nice guy. Thank you Norman and thank you Princeton Air.

(609) 799-3434

HVAC Repair Services for Every System in Your Home

When your heating or cooling isn’t performing, you want a team with the experience on your specific equipment type.

Princeton Air’s NATE-certified technicians repair every major residential HVAC system installed across New Jersey. Cooling, heating, and year-round equipment each have their own failure patterns, and our team diagnoses and repairs them accurately.

Your central air conditioner handles cooling for the entire house, and when it stops performing you feel it fast. Refrigerant leaks, failing compressors, airflow restrictions at the coil, capacitor failures, and electrical component wear are all within the scope of your repair visit. Your technician diagnoses the actual cause and restores steady cooling.

Your furnace delivers the heat your home depends on through every cold stretch. Ignition failures, flame sensor issues, blower motor problems, heat exchanger concerns, and control board faults are the common causes, and our team handles gas, oil, and electric furnaces across every major manufacturer.

Boilers are as complex as other HVAC systems. Failures in combustion, circulation, pressure, or controls all need professionals who understand your boiler. We service gas and oil boilers across every vintage of equipment installed in New Jersey homes.

Your heat pump handles both heating and cooling from a single piece of equipment, which means a single repair can touch both seasons. Reversing valves, refrigerant charge, defrost controls, and auxiliary heat systems are all part of what our technicians diagnose on heat pump work.

Ductless systems offer zoned comfort through one or more indoor heads, and failures may affect only one zone or your whole system. Our technicians repair single-zone and multi-zone systems from every major ductless manufacturer, addressing indoor heads, line sets, control boards, and the outdoor condenser.

Your thermostat and controls are where your HVAC equipment meets your daily life, and when they stop working correctly the whole system’s performance suffers. Our technicians repair and replace thermostats across every major brand, from traditional mechanical units through smart connected systems.

New Jersey’s Trusted Choice for HVAC Repair

Choosing the right HVAC team shapes how well your home comfort runs for years to come.

Across more than five decades of home comfort work in New Jersey, Princeton Air has built long-running relationships with homeowners who call us back. Here’s why that trust holds up on HVAC.

You’re choosing a team that has repaired every category of residential HVAC equipment across multiple generations of technology. That history translates directly into diagnostic speed and accuracy, because the problem in front of your technician is almost never one they haven’t seen before.

Your repair is handled by a NATE-certified technician, the recognized credential for HVAC work. As a Carrier Factory Authorized Dealer, Princeton Air maintains ongoing training and service standards across Carrier’s full lineup. When your technician walks through the door, you know the person working on your equipment has the training and accountability to do it right.

You have one team that can handle cooling, heating, or ductless work without a handoff to a different crew. Whatever equipment is in your home, your Princeton Air technician has the training and parts support to address it on the first visit in most cases.

You can reach Princeton Air for HVAC alongside plumbing, electrical, and indoor air quality, which matters when an HVAC issue touches an adjacent system like an electrical panel, ductwork, or drain. Instead of coordinating between contractors, you work with one team that sees the full picture.

Your HVAC equipment is significant, and our recommendations respect that. If a repair makes sense, we say so. If an older system is facing a major failure and replacement would serve you better, we explain why clearly, with the numbers to back it up.

(609) 799-3434


(609) 799-3434

Full HVAC Services Under One Team

The experience and care you get on your HVAC repair extend to every part of your system’s life.

You can call Princeton Air for every phase of HVAC ownership, with the same team behind each piece of work.

When you’re ready for new equipment, you get a careful installation with the sizing, placement, and startup testing that shape how your system will perform for years to come.

When your current system has aged past the point where repair makes economic sense, you get an efficient replacement from the old equipment out to the new system commissioned and running.

Your annual HVAC service keeps your heating and cooling running efficiently and catches small issues before they become repair calls. Regular care is how equipment reaches its full expected service life.

Your HVAC system moves every cubic foot of air in your home through its return, and your indoor air deserves the same attention as the temperature. Princeton Air handles whole-home filtration, humidity control, and UV purification alongside every HVAC system we service.


Protect Your Comfort Year-Round

You extend the working life of your HVAC equipment when someone is taking care of it with you.

You can stay ahead of unexpected issues through the Princeton Air Home Comfort Club. Membership gives you pre-scheduled maintenance, priority service, and thoughtful system evaluations that catch small concerns before they become repair calls.

You get reduced rates on service work, credits toward future installations, priority scheduling when you need it, and no dispatch fees when work is performed. Membership extends across HVAC, plumbing, and electrical, so the same trusted team looks after every important system in your home.

Ask about joining the Princeton Air Home Comfort Club when you call or schedule online.

Princeton Air Technician


Princeton Air Technician

Call Princeton Air for HVAC Repair

You deserve reliable heating and cooling in every season, and Princeton Air’s HVAC team has the experience to make sure you have it. Reach us by phone or book your visit online.


Frequently Asked Questions

What types of HVAC equipment does Princeton Air service?

You can count on us for every major residential HVAC system: central air conditioners, gas and oil furnaces, boilers, heat pumps, ductless mini splits, and the controls that run them. Each equipment type has its own diagnostic considerations, and our NATE-certified technicians are trained across all of them.

How quickly can you respond to an HVAC repair call?

You get fast response as a matter of routine, especially during the seasonal stretches when equipment demand peaks. For systems that have stopped working entirely, our 24/7 emergency service keeps response times short any hour of any day, so your comfort is restored quickly.

Do you work on both older and newer HVAC systems?

Yes. You benefit from our experience across multiple generations of residential HVAC, including older equipment still running in many New Jersey homes and the modern high-efficiency systems installed in newer construction. Your technician arrives prepared for whatever vintage is in your home.

My HVAC bill has gone up noticeably. Is that a repair issue?

It often is. When your equipment has to work harder to deliver the same comfort, your energy costs climb quietly, and the specific reason can range from a dirty filter to a weakening component to a refrigerant leak. A Princeton Air technician can measure your system’s performance and tell you exactly what’s driving the extra consumption.

Can I prevent HVAC problems between repair calls?

You can significantly reduce unexpected repairs through regular maintenance. Annual service on your heating and cooling equipment catches small issues early, keeps efficiency close to design specification, and extends equipment life. The Princeton Air Home Comfort Club builds that care into your year automatically.