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(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

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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

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4.7
Based on 6670 reviews
Thomas Yezza
13 hours ago
Electrical maintenance. Joseph was excellent.
Cruise Rodriguez was an excellent technician. He quickly diagnosed the problem with my HVAC system and resolved the issue with great efficiency. He was very patient in answering my questions and I appreciated his professionalism. Highly recommend!
Kevin Stout
3 days ago
Excellent service
Technician Daniel was very knowledgeable and thorough with the work. He was very prompt on both days and conducted himself professionally.
David Ortiz
5 days ago
Great service
Tara C.
7 days ago
Excellent service by Cory . He explained everything before and after maintenance check.Cleaned up before leaving. Very professional and courteous.
Jeni
7 days ago
Dominic M. was exceptional! He was knowledgeable and efficient in the work he needed to complete. While he worked, Dominic patiently explained the job he was doing and why. He was also very patient with my incessant questions and provided me with all the necessary details I required in easy layman language. Thank you, Dominic!
Sangita Patel
7 days ago
Jose did a great service today very happy thank you ๐Ÿ™Dominic did great service today and explained about our system air conditioning and heating systems thank you ๐Ÿ˜Š
Benjamin
1 week ago
Great service. Easy to schedule an appointment and the technicians are knowledgeable, punctual, and friendly. At our last system maintenance appointment, I pointed out a problem we were having to the technician, Stivan, and he immediately fixed it. He also identified some other issues and clearly explained/documented what the problem was and what needed to be done. Highly recommended!
Iris Magalhaes
1 week ago
on time, very attentive to details and responsive
mervin holloway
1 week ago
Norbert is an amazing professional plumber so professional I really like his knowledge.
Todd Amiet
1 week ago
I have had problems with my HVAC unit and Princeton Air was able to identify the root cause and stand behindd their warranty. They are great communicators and take care of their customers.
Dalia Gheiler
1 week ago
We had a problem with our sumpump and once the technician came- he knew exactly what to do. He explained the issue and seemed very knowledgeable. He answered all of our questions and repaired the sumpump
Leonardo Dileo
1 week ago
System broke down in middle of summer. Daniel came and found the issue, special ordered the part and quickly replaced it as soon as it arrived. Thanks for the great and speedy work!
Jean MacMillan
2 weeks ago
Emergency call. Appreciated them showing up right away.
Suifen Lyu
2 weeks ago
Their work is quick and good! The HVAC system works perfectly! Much better than my old one!
Great service call related to our whole house humidifier!
Claudia Classon
2 weeks ago
Dominic arrived promptly at the required time to check out a problem with our HVAC system. He explained everything very clearly and provided good suggestions for us to follow. Thanks, Dominic (and Johnny).
Kevin Zalewski
2 weeks ago
Martique was great and provided exceptional service.
Mohan Gawande
2 weeks ago
Make adjustments to factory settings of hybrid heat pump
Michael Raiker
2 weeks ago
Easy to make an appointment Friendly office/dispatch staff Technician was professional, friendly, and productive!
Lynn Roth
2 weeks ago
Sink was leaking after 1st plumbers fix. To many short cuts. Error was corrected and the sink is no longer leaking. Lynn
DHOOPDOG
2 weeks ago
Wilver matos was very professional did an awesome job quickly fix my toilet after I had five other plumbers that were unable to do it. Iโ€™d recommend their service every single time.
Doug Pfluger
2 weeks ago
Knowledgeable, competent technician seems to have resolved a repeat warranty issue.
Carolyn Williams
3 weeks ago
Muhammed/ MIKE is a true expert โ€” and a wonderful person to work with! A++

(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.

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