PA tech repairing boiler

(609) 799-3434

Boiler Installation for the Quiet Warmth Hydronic Heat Delivers

Nothing heats a home the way a well-installed boiler does.

Ready for a new boiler? Princeton Air has been installing hydronic heating systems across New Jersey for more than 50 years. Our NATE-certified technicians handle gas and oil boiler installations from sizing through startup, with permits and inspections included as standard.

You get a system that runs quiet, heats evenly, and holds steady through the coldest winter nights. Call us today for a free estimate.


Need Boiler Installation? Princeton Air Is in Your Neighborhood

Many of the boilers still running across New Jersey were installed decades ago.

Many of the boilers still running across New Jersey were installed decades ago, and modern equipment burns less fuel at higher efficiency.

Homeowners in Princeton, Lawrence Township, Hopewell, and Pennington have worked with us to replace aging boilers with high-efficiency systems. Each installation is shaped by the existing distribution and how the household uses heat.

(609) 799-3434

4.7
Based on 6634 reviews
powered by Google

Carrier Factory Authorized Dealer
North American Technician Excellence - NATE - Certifying the Finest in HVACR
NAIMA contractor badge - Ask me about tax credits

Years in Business

Skilled Employees

Emergency Service

Trucks on the Road


What to Expect From Your Boiler Installation

A boiler project should feel organized and clear for you, even when the work itself is involved.

Here’s how the experience goes.

Your NATE-certified technician comes to the house and reviews the existing boiler, the near-boiler piping, the venting path, and the condition of your radiators or radiant loops.

You share how the current system has been performing and where the household feels cold. The recommendation comes from what your home actually needs.

Boiler work touches gas, venting, hydronic piping, controls, and sometimes electrical. Your licensed team coordinates all of it, protects the spaces we pass through, and handles the permits and inspections as part of the job.

Before anyone leaves, combustion is verified with analyzer readings, water flow is confirmed through every zone, and the controls are tested. You get a walkthrough of the thermostat and the system, and you know what the boiler should sound and feel like on a normal winter day.

Your relationship with Princeton Air doesn’t end at the install. You have a local team with more than 50 years of experience installing and maintaining boilers across the region, and we’re the ones you call when anything comes up. Annual service is what keeps a high-efficiency boiler hitting its rated efficiency year after year.

(609) 799-3434


What Our Customers Are Saying

100% Satisfaction Guarantee

4.7
Based on 6634 reviews
Dayone, was very personable and informative. A very kind young man
A/C went down unexpectedly in the middle of humid New Jersey summer. Princeton Air was out in less than 24 hours and found the problem. Kudos to our tech, Ryan Gobel who must have logged a mile going between the condenser and the air handler in the attic! Not to mention the tight working area in the sweltering attic!
Daniel was great. He went above and beyond for me. I would definitely use them again and I can recommend
Joe was fantastic . Removed non working ceiling fan and installed the new one we purchased . Made sure all was safe, correct electrical format to meet codes, we were , instructed on how to use it and in various settings per the remote . Completely cleaned up , moved furniture back and hauled away the removed fan . All in all, as usual, 5 star service from Princeton Air .

Get a contract for service as well, saves you $$$ and you get priority service when you call.
Quick diagnosis of AC๐Ÿ‘
Latrell was excellent! Service and communication couldnโ€™t be beat. I felt like I was in the loop about what needed repairing on my A/C throughout the process and left feeling more knowledgeable about how the whole system works. Thanks, Latrell!
We are very happy with our sales representative Joseph who handled all our concerns in a professional & knowledgeable manner. The team of installers were punctual, professional and extremely courteous! Great job from start to finish.
Another 5 star rated job well done by Princeton Air.
This time a ceiling fan replacement.
Joe L. came in, removed the old fan, assembled the new fan, cleaned up and without us touching anything.
Joe took the time to explain the multi-function remote operation all with a smile and friendly demeanor.
Ask for Joe L. For your next electrical job!
The technician, William Delgado was prompt in arrival to perform annual furnace maintenance. He was polite, professional, knowledgeable and thorough in his work.
Neim Colaku was the Princeton Air technician who worked on our two AC units. He was excellent, very knowledgeable , very professional and a pleasure to work with. He inspected the two AC units and did fine tuning. He noticed that the two compressor units were not level- an excellent observation. He went beyond the call of duty, left to get rubber inserts to level the units. Came back with the rubber inserts and leveled the two units. I think his commitment to excellence in service, his keen observation skills and his dedication to do his best are very commendable qualities. If there is a rating more than 5, I will gladly select it. Thank you Neim and we are grateful for your excellent work.
Tech from Princeton Air (Brian Hassan) showed up on time and performed yearly maintenance on our Kohler Generator. Very professional and courteous technician. Thanks for taking care of our generator like it was your own.

Just had a tech Cruise Rodriguez trouble shoot a minor wiring issue on our new Carrier furnace which was installed this week. As we were installing a new thermostat WiFi Honeywell there was a mismatch which Cruise located and rewired. System seems to be up and running with new thermostat.
Thank you Cruise for your expert help in resolving this issue.
It was great serve. He was very kind and helpful in introducing way to cope with our problems.
Knowledgeable, professional, and thorough!
Dominic was helpful, respectful, and fast! I called Princeton Air and they responded with an emergency ticket thay led to a call the next morning by 8am. Very impressed!
Joe did a great job in listening to me and assessing the situation. The system is currently running effectively, smoothly, and to my satisfaction. Thanks to Jamie and Joe for providing an excellent service experience.
Jorge Lay did an excellent job servicing my air conditioning system.
Fast service, efficient, knowledgeable. Ryan diagnosed the problem in minutes end repair was quick. Pricing was very reasonable.
Ryan G provided excellent service for us for our HVAC system. The technicians are very nice, knowledgeable, and give multiple solutions for problems. We will absolutely be using this company again in the future.
The technicians were terrific. Efficient, polite and they were even nice to my dog. Great service!
Professional, knowledgeable and friendly
Daniel came out for the regular maintenance of my AC system. He did a thorough job and took his time. He kept me posted along the way. He was professional and respectful. He made some recommendations for additional service based on his findings but he wasnโ€™t pushy about them.

Thank you Daniel.
Princeton Air has been fabulous whenever we needed them. They have replaced our water heater and HVACover time. Service and work has been great and price has been very competitive. Will recommend them to everyone.
James diagnosed and solved a difficult GFI outlet issue, was courteous, patient and more importantly excellent in his solution. Definitely would ask for him again for any electrical installations.
Just to let you know everything here is great now thanks to Latrell! What a wonderful young man. He not only helped me with our thermostat but he was so kind professional and friendly. He gets a big thumbs ๐Ÿ‘ from me. This young man deserves a big raise. He was so sweet. Thank you for sending him here to help me.
Daniel was thorough, knowledgeable and personable. What more could I ask?

(609) 799-3434

Signs Your Boiler Is Ready for Replacement

Boilers usually announce their retirement quietly, through the fuel bill or the comfort of the house.

Recognizing the signals early lets you plan the replacement for a mild week in fall instead of a cold snap in January.

Older boilers lose efficiency gradually. The heat exchanger scales up, controls drift off calibration, and the combustion no longer burns cleanly. A system from the 1990s typically runs at 70 to 80 percent efficiency, and some older oil boilers run far below that. Modern condensing boilers regularly deliver 90 to 95 percent efficiency, which translates directly into fuel savings every month of the heating season. Over a New Jersey winter, that difference adds up to real money.

A boiler that fires, runs for a few minutes, shuts off, then fires again is short-cycling. It’s either oversized, poorly controlled, or both. Short-cycling wears out components and burns fuel inefficiently, and it’s one of the most common problems in older boiler systems. A correctly sized replacement runs longer and steadier, which is how a hydronic system is supposed to work. The comfort improvement through the house is immediate.

Cold rooms at the far end of the distribution, or zones that simply can’t hold temperature during a cold snap, often point to a boiler that can’t deliver the water temperature it needs to. In some cases, the distribution system also needs work the old boiler masked with brute force. A full installation addresses the boiler, the near-boiler piping, and the controls together. The heat finally reaches the rooms that have been cold for years.

Visible rust on the boiler, damp connections, or water pooling near the unit all signal that the heat exchanger or the piping is failing. Once internal corrosion sets in, the timeline to full failure is unpredictable. Replacing on your schedule is almost always better than a mid-winter failure when every heating contractor in the region is booked solid. The cost difference between planned and emergency replacement is significant.

Cast iron boilers from the 1980s and 1990s can run for 30 years or more, but their efficiency was never great and their fuel consumption compared to modern equipment is meaningful. If your boiler is past the 20-year mark, a replacement often pays back the investment through fuel savings alone across its life. Modern high-efficiency boilers also qualify for substantial New Jersey Clean Energy Program rebates and federal tax credits, which shift the economics in your favor. We walk through current incentives during the consultation.

Why New Jersey Homeowners Return to Princeton Air for Boiler Installation

Hydronic heating is specialized work that rewards real experience.

For more than 50 years, homeowners across the region have brought their boiler projects to Princeton Air.

Every boiler installation is handled by NATE-certified technicians who know combustion, controls, and distribution. Hydronic work isn’t the same as forced-air work, and the team that installs your boiler treats it that way.

High-efficiency condensing boilers require specific venting, condensate handling, and near-boiler piping to hit their rated efficiency. Cutting corners on any of these shortens the unit’s life and costs you the savings you paid for. Our installations follow the practices that make the equipment work.

Boiler installations require permits in most New Jersey municipalities, and inspections are part of the process. We pull the permits, schedule the inspections, and make sure the job passes before we consider the project closed.

From Trenton and Hightstown to Summit and New Providence, we’ve installed boilers in homes of every era. That range shapes the decisions we make about sizing, piping layout, and control strategy.

Oil to gas conversions, condensing versus conventional, combi versus indirect: the choices add up, and not every answer is the same for every home. We walk through the options with real numbers and no pressure.

The New Jersey Clean Energy Program, utility rebates through PSE&G and JCP&L, and federal tax credits through the Inflation Reduction Act can reduce the net cost of a high-efficiency boiler meaningfully. We help you capture what’s available.

The work we do on installation day is the work you’ll live with through many winters. We stand behind it, and we’re the team you call when anything needs attention.


Join the Princeton Air Home Comfort Club

Taking care of your home is easier when someone is taking care of it with you.

The Princeton Air Home Comfort Club is a whole-home membership built around four pre-scheduled maintenance visits each year, so the systems you rely on stay in peak condition through every season.

Members receive a discount on service work, credits toward future installations, priority scheduling during the busiest times of year, no dispatch fees when work is performed, and our 24-hour emergency service guarantee. It’s the simple way to protect your home, your budget, and your routine year after year.

Princeton Air Technician


(609) 799-3434

Complete Home Services For Your Home

A boiler installation often connects to adjacent heating and plumbing work.

Hydronic heat is one side of a home’s comfort. The cooling system, the indoor air, and the long-term service of the equipment all shape how your home feels across the year.

When your existing boiler needs diagnostic work or a repair, our team handles it with the same care we bring to installation. Catching a small issue early keeps it small.

Annual service is how a boiler hits its rated efficiency and lifespan. Routine attention turns a system that might have lasted 10 years into one that lasts 15.

Clean, filtered, balanced indoor air is part of a comfortable home. Whole-home filtration, humidification, and UV purification keep the air you breathe as conditioned as the temperature you set.

Princeton Air installs and services every major type of residential cooling system, from central air to heat pumps to ductless mini splits. One team for summer and winter.



Schedule Your Boiler Consultation

A properly installed boiler changes how a home feels through the coldest months.

If your current system is aging, short-cycling, or pushing your fuel bills higher every year, our NATE-certified technicians will walk the home, lay out real options, and install a replacement built to serve you for decades.

Call Princeton Air today to schedule your consultation.

Princeton Air Technician


Boiler Installation FAQs

Should I replace my boiler with a high-efficiency condensing model?

Often yes, but not always. High-efficiency condensing boilers save meaningful fuel across a New Jersey winter, but they require specific venting, condensate handling, and sometimes updated near-boiler piping. For some homes and installation situations, a conventional non-condensing boiler is the better choice. We give you the honest comparison rather than a default answer.

Does the size of the replacement need to match my old boiler?

Usually not. Many older boilers were dramatically oversized when they were installed, which is part of why they short-cycle and waste fuel. Proper sizing comes from a heat load calculation on your current home, not from matching the nameplate on the unit coming out. The replacement is often noticeably smaller and performs better for it.

Can you convert from oil heat to gas?

Yes. Oil-to-gas conversions are one of the common boiler projects we handle. The scope includes the new gas boiler, venting, gas line connection, and safe decommissioning of the oil tank and lines. The fuel cost savings typically pay back the conversion investment across the life of the new system.

Are there rebates available for a new boiler in New Jersey?

Yes. The New Jersey Clean Energy Program, PSE&G, and JCP&L all offer rebates for high-efficiency boiler installations that change year to year. Federal tax credits apply to qualifying equipment through the Inflation Reduction Act. We track current incentives and structure the installation to capture them.

How long will the installation take?

Most boiler installations take one to two days. Projects that include near-boiler piping changes, oil-to-gas conversion, or major venting updates can extend that. You’ll have a clear schedule before any work begins.

Redeem Offer

Your Promotional Selection Has Been Applied!

This field is for validation purposes and should be left unchanged.
Newsletter Signup
This field is hidden when viewing the form