(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

4.7
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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

Trucks on the Road

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 6447 reviews
Our Tech Dominic was Awesome!! Thank you so much!!
On time. Completed work on all units … Heater, air conditioner, and hot water heater … Within the time frame.
After a few mishaps, Princeton Air came through and got my AC system running when the temperatures are soaring.

Thanks to Will and my technician, Alberto, for getting everything fixed.
Responsive, knowledgeable, dependable, & honest. Thank you for getting out heat up & running!

Update:10/12/18
Chris S got the heat last year and remembered when he arrived today, asked if it had a problem since. He came back to do a PM on the heater and while he was waiting for me to arrive, he opened up the air conditioner to inspect it and saw the coils were filthy. Took out his hose and cleaned them. Then when done, did the heater PM and then โ€œsaid I just want to verify that ringing noise went away. Your house will cool much faster now!โ€ I really like what Princeton air offers, quality and care, diagnose and fix. Not rushing to get to the next job. Theyโ€™re so good I got the year round service plan.

Update may 2025&2026
Maurice is fantastic.
Prompt and knowledgeable. Great technician.
There was an urgent need for a mold problem to be handled in a bathroom. They quickly identified the problem, tested the seriousness, and took care of it – in a very timely fashion. They communicated with me all along the way so I could fully comprehend what was going on. All the people were very knowledgeable, pleasant and accommodating. My experience with them was excellent, and I would highly recommend them.
Eric M. was prompt, professional, courteous and quite helpful. I become a better consumer when I understand the problem & possible solutions. Eric was willing to answer my questions and made me feel secure that he would follow up to help fix our problem.

New review: 2/6/2018
Notice a problem with the humidity in my home, called and got a service appointment in the same day. Will D came out and sure enough, confirmed there was a problem, explained what exactly was happening, why it was happening and how to check that it was working correctly. His demeanor was pleasant, he was professional and seemed to be quite knowledge!
Great service. Domenic was so helpful and explained everything done.
Jermaine Richmond was very knowledgeable and explained my plumbing issue throughly. Thank you.
Pretty micron air was quick to fix my sewer
Friendly and efficient. Quick response service
Eric did a fantastic job
Installation of water heater hvac and furnace – very professional and process oriented –
The technician who came was Jonathan Redondo. He was very knowledgeable and did an excellent job! I would highly recommend him .
Christian and Mike were professional, thorough, patient, and kind throughout my heating boiler installation.
Always excellent service with McAllister.
Robert came to check my 2 carbon monoxide detectors, which were very old. I decided to have him go ahead and replace them with smoke detector/ carbon monoxide combination units. He was very polite and efficient .
Jihmy and Asterson did an outstanding job and were extremely professional during a recent installation of a mini split and air handler. They communicated well, kept the house clean and did the job with a level of professionalism and expertise that was refreshing.
Good job
Maurice Gaines who cleaned and serviced my air conditioner was fantastic! He was fast, respectful and very fast with the repairs.

He made me feel like I was getting the full respect and honesty I so needed for something so important and really appreciated the time he took to explain every and answer all my millions of questions. Also Princeton Air communications were fast and accurate , leaving no question unanswered as to timing and confirmation of appointment. Iโ€™m so happy with their staff and with Maurice- heโ€™s a gem!
Thank you!
The young man who came out to fulfill our annual service contract was extremely professional and was very thorough. Although he told us we needed a new ac unit I felt confident that he knew what he was talking about and took the right amount of time in order to make his recommendation. I want him back every year. Unfortunately I forgot his name because Iโ€™m old.

He then had Ricky call us with replacement ac unit recommendations. He was just as professional. He then took the time to visit our condo, take measurements himself and then made recommendations on what size unit to purchase. I really feel he saved us money. He was amazing.

We then were contacted by a gentleman named Steve who was a manager in the service and installation department. Itโ€™s hard to believe but he was just as good as the first two representatives and was an absolute pleasure to work with. He was a true professional and a real asset to your organization. I will always use your company if I can work with this team. Keep up the great work. Thanks for allowing me to spend $8,000.its hard to believe I didnโ€™t even get other quotes because I was so happy with your team.
Water purification system
Recently Princeton Air did a routine maintenance check on our HVAC UNIT. The technician was Dominic McGinley. I must say Mr. McGinley was outstanding. After performing the maintenance and evaluation, he sat down with us and explained his findings in precise detail. He has also taken pictures of everything he found. Dominic was a pleasure with whom to interact. He was professional, friendly, and extremely knowledgeable. He explained everything in terms that we could definitely understand. He is one of the finest technicians that has ever performed preventative maintenance on our equipment. In my estimation he has all of attributes of a first rate Service Technician. Hopefully Princeton Air just what a valuable asset he is for the company. I certainly hope to interact with him many times in the future.
We recently used Princeton Air to install a new heater. They gave us lots of options, explained each one thoroughly, they arrived promptly on installation day and did a great job. The price was the lowest of three companies I contacted for estimates. Five stars!
Always professional and informative.

(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.