When your boiler isn't working properly, you need quick, professional help to restore heat and comfort. JMS Plumbing & Heating offers expert boiler repair and maintenance services in Cortland, NY, backed by over 25 years of experience and a trusted reputation throughout Homer, McGraw, Dryden, Groton, and Freeville.
Whether your system is making strange noises, struggling to heat your space evenly, or refusing to turn on altogether, our licensed team will diagnose the problem fast and make the necessary repairs. We work on gas, steam, propane, and high-efficiency condensing boilers, providing dependable service with upfront pricing and no surprises.
Don't wait until your boiler fails during a cold snap. JMS is here to keep your heating system safe, efficient, and built to last.
Boilers are generally durable, but when issues do arise, they can affect comfort, safety, and efficiency. If you notice signs of trouble, schedule service right away to avoid larger system failures and higher repair costs.
Issues We Fix Include:
Our team will inspect your boiler, pinpoint the issue, and provide reliable repairs that restore safe and consistent operation.
Heating emergencies don't always happen during business hours. That's why JMS offers emergency boiler repair in Cortland, with fast response times and trained technicians who arrive ready to resolve urgent issues safely.
Whether it's a freezing night or your system fails right before a holiday, we're prepared to get the heat back on quickly — with the tools, parts, and experience to handle both modern and older boiler systems.
At JMS, we make repairs simple and stress-free. When you call us for boiler service in Cortland, here's what you can expect:
Initial assessment
We inspect your boiler, check pressure levels, examine controls, look for leaks, and evaluate performance.
Diagnostics
Our techs use professional tools and their experience to identify the source of the issue accurately.
Repair plan
We provide a clear explanation of the problem and a written estimate for the repair — no guesswork.
Expert repairs
Once approved, we make the repair using manufacturer-approved techniques and quality parts.
Performance testing
We run your system to ensure proper heat distribution, pressure stability, and safety control operation.
Whether your issue is with a gas valve, pump, thermostat, ignition control, or expansion tank, we've got it covered.
The best way to avoid unexpected repairs is through routine boiler maintenance. Annual tune-ups help catch problems early, reduce energy waste, and extend the life of your heating system.
JMS offers boiler maintenance in Cortland designed to protect your investment and keep your home warm and comfortable all winter long.
We recommend scheduling maintenance once per year, ideally in the fall, to prepare for cold weather and maintain warranty coverage.
Regular boiler maintenance isn't just about preventing breakdowns — it's about optimizing performance, saving money, and keeping your system safe.
Our technicians are trained to spot early signs of wear and resolve minor issues before they lead to major failures.
Modern boilers are more efficient but also more complex. JMS specializes in high-efficiency boiler repair in Cortland, including condensing models with advanced control boards, modulating burners, and dual heat exchangers.
We troubleshoot and repair:
Whether you have a Navien, Bosch, or other high-performance unit, we have the knowledge and parts to fix it properly.
If your home has a steam boiler with radiators, JMS is your go-to for repairs and upgrades. We service all components including steam traps, pressure relief valves, sight glasses, and radiator vents.
Older systems can develop:
We bring modern solutions to vintage systems to ensure efficient and quiet heating throughout your home.
Want to simplify your seasonal HVAC care? JMS offers comprehensive boiler maintenance plans for Cortland homeowners that include regular inspections, cleaning, and peace of mind.
Maintenance plans are available for all boiler types — residential, light commercial, radiant heat, and combination systems.
Big projects shouldn’t break the bank. JMS offers financing in Cortland, including monthly payment options and guidance through available New York state rebates.
Big projects shouldn't break the bank. JMS offers financing in Cortland, including monthly payment options and guidance through available New York state rebates.
Based in Cortland, NY, JMS proudly serves surrounding towns with the same top-rated plumbing and HVAC services our customers have come to trust.
We frequently repair no-heat issues, water leaks, low pressure, kettling noises, ignition failure, pilot light problems, and radiators not heating properly. JMS resolves boiler issues quickly and safely in homes across Cortland.
Common causes include thermostat malfunctions, airlocks, broken pumps, low water levels, or a failed ignition system. Our techs diagnose the issue and make reliable repairs.
Yes — we specialize in gas, propane, oil, steam, and high-efficiency boiler systems. Whether you have a classic radiator setup or a modern condensing boiler, JMS has the experience to fix it right.
If your boiler is over 20 years old, breaks down frequently, or runs inefficiently, it may be time to consider boiler replacement in Cortland. We'll provide an honest assessment and help you compare options.
Absolutely. JMS provides emergency boiler repair services with fast response times to restore your heat during freezing weather or urgent situations.
You should schedule annual boiler maintenance, ideally in the fall. Regular service prevents breakdowns, improves efficiency, and ensures safe operation throughout the winter.
Our boiler maintenance service in Cortland includes full inspection, pressure checks, burner cleaning, air bleeding, control testing, safety checks, and performance optimization.
Warning signs include inconsistent heat, gurgling or banging noises, rising utility bills, or frequent restarts. If you notice these, it's time to schedule a tune-up.
Yes — JMS repairs modulating, condensing, and combination boilers from top brands. We troubleshoot advanced electronics, sensors, and venting systems to ensure safe, efficient operation.
This is often caused by limescale buildup, a condition called "kettling." It restricts water flow and can damage the heat exchanger. We can descale the system and restore proper circulation.
In most cases, yes. Annual professional maintenance is required to maintain manufacturer warranty coverage. JMS provides documentation and reminders for compliance.
Yes — our boiler maintenance plans include seasonal tune-ups, priority scheduling, discounts on repairs, and peace of mind all year long.
We service Navien, Bosch, Burnham, Weil-McLain, Triangle Tube, Crown, Slant/Fin, Utica, and many others. We carry parts for most brands and models.
Most repairs are completed in 1-2 hours, depending on the complexity and parts availability. We carry many common parts on our trucks for faster service.
Call JMS Plumbing & Heating or fill out our online form to book boiler repair or maintenance in Cortland, NY. We'll confirm a convenient time and get your heat working right away.
For over two decades, JMS Plumbing & Heating has provided dependable heating service in Cortland County. Our family-owned approach means every job gets personal attention, fair pricing, and quality that lasts.
When your boiler needs attention, trust the team that knows Cortland — and knows how to keep your home warm.
JMS Plumbing & Heating repairs and maintains all leading boiler systems, including:
From cast-iron workhorses to wall-mounted combi units, our techs know how to keep your boiler running at peak performance.
Not every heating issue means you need a new boiler, but there are times when replacement is the smarter financial move.
JMS will always recommend the most cost-effective and practical solution — whether that's a solid repair or a modern, high-efficiency upgrade.
Don't let boiler issues leave your home cold or your system running inefficiently. JMS Plumbing & Heating is the trusted name for boiler repair and maintenance in Cortland, NY, with decades of hands-on experience serving local homeowners and businesses. Whether your boiler is leaking, not heating properly, or due for annual service, we're here to help — quickly and professionally.
Our licensed technicians are trained to work on gas, propane, steam, and high-efficiency boiler systems, delivering reliable results with transparent pricing and friendly service. We know how critical dependable heat is during a Central New York winter — and we're committed to keeping your home safe and warm.
If you want to stay ahead of breakdowns and improve your boiler's performance, we also offer comprehensive maintenance plans that include seasonal tune-ups, discounts on repairs, and priority scheduling.
CONTACT US TODAYWhether you're facing an unexpected boiler breakdown or just need routine service before the heating season begins, JMS Plumbing & Heating is ready to deliver the expert care your home deserves.
Contact JMS today to schedule your boiler repair or maintenance in Cortland, NY. Let's keep your system running safely, efficiently, and reliably — all year long.