(609) 799-3434

Year-Round Comfort Starts With a Heat Pump That’s Working Right

A heat pump handles both your heating and your cooling, which is why a problem with it affects you any time of year.

The system isn’t heating the way it used to, the cooling feels weaker than last summer, or the outdoor unit is making sounds that weren’t there before.

Princeton Air provides heat pump repair across New Jersey, and our heat-pump-experienced technicians diagnose the issue and restore the year-round comfort your home runs on. Schedule online or give us a call, and we’ll get your system back to handling both seasons the way it’s supposed to.


24/7 Emergency Heat Pump Repair

A heat pump failure at any time of year disrupts your home’s comfort.

Princeton Air is ready around the clock for emergency heat pump repair across New Jersey. Whether it’s the middle of a July heat wave or a January cold snap, you can call or request service online and get a technician dispatched to diagnose the problem and get your system running again.

(609) 799-3434

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Heat Pump Expertise From a Team Close to Home

Your heat pump deserves a service team with real experience on the equipment.

Princeton Air has serviced heat pumps across New Jersey for more than 50 years, from the early air-source systems of the 1970s through the modern cold-climate equipment installed in homes today. Our technicians work on heat pumps every week across the state, so you benefit from real familiarity with the brands and models actually installed here, and the technical fluency that only comes from years of hands-on repair work.

Years in Business

Skilled employees

Emergency Service

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What Our Heat Pump Repair Process Looks Like

A heat pump repair should leave you with confidence about what was done and why.

Here’s what to expect when you schedule heat pump repair with Princeton Air:

Get in touch by phone or through our online scheduling tool, and a team member will walk through what’s happening with your system. We work to find a service window that fits your day so you’re not reshaping your schedule around the appointment.

Your technician’s first step is a thorough inspection of both the heating and cooling modes, because heat pump issues often show up differently in each. Once the cause is identified, you get a fair estimate in plain terms before any repair work begins.

The repair wraps up with testing in both operating modes so the technician can confirm the system is performing the way it should. You leave the visit with year-round comfort restored and documentation of what was done.

(609) 799-3434

What Our Customers Are Saying

100% Satisfaction Guarantee

4.7
Based on 6565 reviews
Cruise was great! He addressed our AC issue quickly and professionally.
Weโ€™ve always been satisfied with McAllister and our recent experience since the merger has not changed that. We needed a new condenser for the A/C and they had a cost effective solution and were able to install it quickly.
Very efficient and on time
Princeton Air condition was extraordinary!! I received a very fair quote immediately after Inspection of my HVAC systemby their talented technician. Their technicians were prompts, professional, and polite. They installed a new system with precision and followed up Professionally. Totally proud to work with Princeton.!!
Ryan G came by and provide tips and recommendations so thorough and with full clarity that I believe will benefit in the long haul. Because of this, I was confident to re-sign up for their maintenance program. He was a true professional who is highly knowledgeable and enthusiastic with the work that he is called to do.
We had Norman. He was here a few hours and checked out my HVAC systems for the summer.
He was careful and professional.
Jose and Corey were a great team and genuinely seemed to care about solving our issues.
I had A/C installed in May, but waited to write a review to see how effective the units can be once it's hot out. Now that I've gone through a couple high temperature days where I turned the mini splits on, I can post a review that I am completely satisfied with the installation by Princeton Air Conditioning and the ease of usage of units. I also will add that it was a pleasure to have Mike C. and Christian J. on the job; they, along with the crews that were on site over the course of the two days, were professional, communicative and upfront. I'd recommend this company to anyone looking for services.
Professional and friendly staff
Air conditioning wasn't working and they came out and got it fixed within a day. Ryan did a great job making sure everything was up and running quickly.
The job was done smoothly and efficiently and right on time
Ryan G got our old air conditioner working again quickly during a bad heat wave and, when we were ready, he explained all our options very well and laid the groundwork to make it easy for us to have installed a new air conditioner. Plus he rescued our cat three times when our cat tried to get out through the garage. He was very kind to all our pets and to us. Thank you, Ryan G!
Dominic was extremely pleasant, professional, and thorough,. He was also quite efficient. He quickly diagnosed the situation and was able to correct it. He also took the time to patiently explain my thermostat to me. Then he signed me up as a member. So heโ€™s a pretty good sales guy too!
However, I then set up an appointment for maintenance and twice Princeton Air canceled me. Iโ€™m now set up for maintenance the end of June. And thatโ€™s after they tried to set me up the end of July and I complained.And this is after Dominic signed me up as a member. Thereโ€™s something very wrong with their business model and I do not consider this good customer service. I will likely have to look for a different serviceโ€ฆ. something more responsive.
Tech (Alex) was on time, courteous, very professional. He let me know that, because of my contract w/McCallister, I would have no extra payment for the part needed.
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. Chuck our Project Manager has been very kind and knowledgeable through this process as well. I am grateful for the people who work here as they made this pretty easy. Thank you all so much.
Latrell Romulus from Princeton Air did a great job of making sure my AC units were working properly. He was thorough and knowledgeable, and communicated potential areas of concern in a very clear manner.
Great job ! Very knowledgeable and informative. He made sure I was aware of any issues and explained it thoroughly! I look forward to having him again !!
Ryan did a fantastic job for us. He was patient and thorough. Thank you, way to go.
This is an outstanding company on all levels.
The team at Princeton Air Conditioning has been excellent. Wilver Matos was great, knowledgeable, customer service oriented and willing to help. He was also preemptive in solutioning comprehensively for the water heater installation especially since there was some mix-up originally but he worked to sort it out.
The technician Alfredo is great
So far it has been very good!!!!
Mike showed up right on time. He was personable and knowledgable. He took his time to explain the different options for water heater replacement, and answered my questions fully. All good.
This was a follow up call on an issue we had with a new HVAC system we had installed a little over a year ago for our upstairs that couldnโ€™t be fixed without Tech Support from both Princeton Air and Lenox. Jose showed up right on time and went to work with Lenox to determine our problem. It was determined that our new system would have to have the coils replaced and we would not be responsible for any repairs. Jose was extremely pleasant to deal with and took his time to explain to us what probably caused this issue. With technicians like Jose now working for Princeton Air we are very happy customers again.
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

Heat Pump Issues Our Team Knows How to Resolve

A heat pump problem can show up in either mode, and either one deserves a thorough answer.

Princeton Air’s heat pump technicians are trained on every generation of the equipment, from older air-source systems to variable-speed cold-climate models. New Jersey winters and humid summers both put real demand on heat pump equipment, and years of regional service work inform how our team approaches each repair.

When summer cooling feels weaker than it did last season, refrigerant charge is often the first suspect. A small leak that went undetected through the winter heating months can show up as weak cooling in July. Compressor issues, a failing reversing valve, or airflow restrictions can produce the same symptom. Our technicians verify the refrigerant charge and test operating pressures in cooling mode to identify what’s actually limiting performance.

Reduced heating output often traces back to the reversing valve not fully committing to heating mode, a defrost cycle that’s stuck, or refrigerant that’s outside specification. Older heat pumps can also struggle to pull enough heat from the outdoor air during sustained cold. Our technicians diagnose the root cause rather than just adding auxiliary heat to mask the underlying problem.

A light layer of frost during cold weather is normal, and a heat pump’s defrost cycle handles it automatically. Heavy ice accumulation that doesn’t clear is a different story, and it usually means the defrost control has failed, the outdoor fan motor is weak, or refrigerant charge is off. Ignoring it damages the equipment, so prompt evaluation is the right call.

When the heat pump won’t switch between heating and cooling, the reversing valve is almost always involved. The valve itself can fail, or the solenoid that controls it can seize. Thermostat wiring issues and control board faults can also prevent the system from completing the mode change. Our technicians trace the command path from thermostat to reversing valve to find exactly where the signal stops.

Grinding, squealing, or metallic contact sounds from the outdoor unit usually mean a motor bearing, fan blade, or compressor issue. Hissing often points to refrigerant leaks. Chattering at the contactor can signal a capacitor on its way out. Each sound has a likely cause, and we investigate before replacing parts.

A heat pump working harder than it should draws noticeably more electricity, and the jump tends to show up sharply because heat pumps are typically the largest electrical load in a home. Low refrigerant, dirty coils, a weakening compressor, or auxiliary heat running when it shouldn’t are all common causes. Princeton Air’s technicians measure current draw and performance metrics to identify what’s driving the spike.

Homeowners Trust Princeton Air for Heat Pump Repair

Heat pumps are a different animal from traditional HVAC, and the repair team matters.

A heat pump involves components and control logic that a conventional AC or furnace doesn’t have. That reality shapes how we hire and train the technicians dispatched to heat pump repair calls.

Princeton Air has serviced heat pumps across New Jersey for decades, including the modern cold-climate systems that perform well below freezing. Our technicians know the characteristics of the major heat pump brands and the differences between air-source, ducted, and ductless configurations. Experience on the actual equipment is what separates a good heat pump repair from a guess.

Every heat pump repair is handled by a NATE-certified technician with training on current residential systems. Princeton Air is also a Carrier Factory Authorized Dealer, which requires sustained training on current Carrier equipment including their heat pump lineup. The credentials translate into real technical depth when your system is in front of us.

A heat pump repair starts with understanding what the system should be doing in both modes, then finding where the actual performance drifts from that baseline. Our technicians diagnose systematically instead of replacing parts until something works, which saves you money and produces repairs that actually hold.

Princeton Air handles HVAC, plumbing, electrical, and indoor air quality. When a heat pump issue involves an adjacent system like an electrical panel or a ductwork concern, a single trusted team handles the full picture rather than sending you between contractors.

Heat pumps are chosen for their efficiency, and a sloppy repair can undermine that efficiency for the rest of the system’s life. Our technicians repair with attention to refrigerant charge accuracy, airflow preservation, and the specifications the manufacturer designed the system around.

(609) 799-3434


(609) 799-3434

Princeton Air Supports Your Heat Pump Year-Round

From installation to annual care, your heat pump is in good hands.

The Princeton Air team that handles your repair is the same team that installs and maintains heat pump systems across New Jersey. One relationship spans every stage of heat pump ownership, and that continuity matters for equipment designed to run year-round.

When a heat pump has reached the end of its service life, our team handles the full replacement with attention to sizing, refrigerant selection, and installation quality. A well-installed replacement delivers the efficiency the equipment is rated for from day one.

For homes adding a heat pump for the first time or converting from a traditional furnace-and-AC pairing, thoughtful system design sets the foundation for years of reliable dual-season operation. Careful load calculation and clean installation work produce the outcomes homeowners invest in a heat pump to get.

Annual maintenance on a heat pump is more than a nice-to-have. Because the equipment runs in both seasons, catching small issues before they grow is how you keep the system efficient and avoid the mid-season breakdowns that undermine the investment.

For homes with ductless heat pump systems, our team services mini splits with the same experience and attention we bring to ducted equipment. Installation and repair work, along with ongoing service, are all within scope.


Protect a Heat Pump That Works Hard for You

A heat pump that works hard deserves care that keeps up.

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

Schedule Heat Pump Repair With Princeton Air

A heat pump that isn’t doing its job shouldn’t stay that way, and you shouldn’t have to wait long to get it fixed. Our heat pump technicians are ready to diagnose the issue, explain what’s happening, and restore the year-round performance your home relies on. Call Princeton Air or schedule online today to get your system back to both seasons.


Frequently Asked Questions

Why is my heat pump less efficient than it used to be?

Heat pumps can lose efficiency gradually for several reasons. Refrigerant charge can drift slightly out of specification from a slow leak, outdoor and indoor coils can accumulate debris that reduces heat transfer, and components like capacitors can weaken before they fail. Any one of those conditions causes the system to work harder to deliver the same comfort. A thorough diagnostic visit identifies what’s causing the efficiency loss and restores the equipment to the performance level it was designed for.

Do heat pumps actually work in cold New Jersey winters?

Modern cold-climate heat pumps do, and they do it well. Current air-source heat pumps are engineered to extract heat from outdoor air down into the single digits and below, which covers the vast majority of New Jersey winter weather. Older heat pumps struggle more as temperatures drop, which is one of the reasons aging systems sometimes benefit from replacement with modern equipment. If your heat pump is underperforming in cold weather, a technician can tell you whether it’s a repair situation or an age situation.

My heat pump won’t switch between heating and cooling. What’s wrong?

The reversing valve is the component responsible for switching modes, and a stuck or failed reversing valve is the most common cause. The solenoid that controls the valve can seize, the valve itself can fail mechanically, or the thermostat may not be sending the correct signal. The diagnosis involves testing the signal path from the thermostat through the control board to the reversing valve to find exactly where the problem sits.

How do I know whether to repair or replace an aging heat pump?

Heat pumps typically last twelve to fifteen years, sometimes longer with consistent maintenance. When a heat pump is within that range and facing a moderate repair, repair is usually the right call. When the equipment is older and facing a significant repair, replacement often makes more sense because newer cold-climate equipment is meaningfully more efficient than the systems being replaced. A Princeton Air technician can walk through the numbers so the decision reflects real economics rather than a sales pitch.

Do you service both ducted and ductless heat pump systems?

Yes. Princeton Air services the full range of residential heat pump systems, including traditional ducted central systems, ductless mini splits, and multi-zone ductless installations. Each type has its own diagnostic considerations, and our technicians are trained across all of them. Whatever configuration is in your home, we can work on it.