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Radiant Heating Systems on Long Island, NY
Enjoy efficient, even, and comfortable heat with professionally installed radiant heating systems from NJM. We specialize in radiant floor heating, hydronic radiant systems, snow melt installations, repairs, and performance upgrades for residential and commercial properties across Nassau and Suffolk County.
Radiant Floors • Hydronic Heating • Snow Melt Systems
Reliable Radiant Heating Solutions Installed by Experienced Professionals
Radiant heating delivers unmatched comfort by warming surfaces rather than circulating air, creating steady, efficient heat throughout your home or business. With over 33 years of heating experience, NJM Mechanical and Contracting installs, repairs, and upgrades radiant heating systems tailored to your property’s needs.
We service hydronic radiant systems, electric radiant floors, and outdoor snow-melt setups, ensuring proper design, safe installation, and reliable long-term performance. Whether you’re building new or updating an existing system, NJM delivers radiant heating solutions built for durability, efficiency, and everyday comfort.
Installation of hydronic or electric radiant flooring systems for consistent, energy-efficient heat throughout living spaces, basements, and bathrooms.
Troubleshooting and repair of leaks, circulation issues, uneven heating, or malfunctioning radiant system components.
Modernize old radiant systems with upgraded controls, pumps, manifolds, or tubing to improve efficiency and performance.
Routine maintenance for pumps, manifolds, valves, and boilers to ensure safe, consistent, and long-lasting radiant heating.
Installation and repair of radiant exterior systems designed to melt snow and ice on driveways, walkways, and entryways for year-round safety.
Full installation and support for water-based radiant heating systems connected to boilers or high-efficiency heating equipment.
Expert Radiant Heating Solutions
Backed by Over 33 Years of Experience
Why Choose NJM for Radiant Heating Installation & Service
Fully trained professionals with extensive experience installing hydronic and electric radiant systems.
Fully trained professionals with extensive experience installing hydronic and electric radiant systems.
Radiant heating provides consistent, dust-free warmth with lower fuel usage and reduced energy bills.
We design radiant heating layouts for kitchens, bathrooms, additions, basements, and full-home installations.
All radiant heating work is performed to meet Long Island mechanical and building code standards.
Decades of professional experience mean we install fixtures, piping, and full systems correctly the first time — with workmanship that lasts.
No hidden charges or surprise add-ons. You’ll receive a clear estimate outlining exactly what your installation includes.
What Our Long Island Clients Are Saying...
Kris
I couldn’t recommend Neil enough! From start to finish him and his team were professional, efficient and experienced. We had a job pulling up rocks and putting top soil down which I know can be a tedious job. We appreciate the work and look
Evelyn Powers
We had an ongoing issue with clogs. My daughter woke up to flooding in her bedroom from her toilet, which was not fun! This was our first time having NJM in our home. Neil was knowledgeable and gave us several options. we chose to have him use the camera to get to the root of the problem. He was able to pinpoint several issues and was able to fix clog and clean out the pipes. Neil and his crew were very professional,
Irene Cheung
I contacted NJM Mechanical because I didn’t have hot water anywhere in my house. Neil was able to diagnose the issue and get to work. My navien tankless water heater is only a year old and still under warranty. Instead of waiting on Navien to send the part so the issue can be corrected, Neil went out, found the part, purchased it,
William Lo
Great experience. Neil came out and took the time to explain everything thoroughly. He was able to fix all the errors on our Navien and have it back up and running. Following up a week later. Neil and Mike came out to redo the Navien system for proper instillation.
Unfortunatley, after there was a gas leak with our Navien system. Neil was able to get
James Farnworth
Neil from NJM was able to get my ac system up and running when others could not. He was honest with me right from the beginning and all costs were discussed before repairs began. Additionally, Neil spent time explaining to me how my system operates and the things I could do to help it run at peak performance. It was quite refreshing to experience a service technician who demonstrated the uppermost
Raul Chardon
Honest professional full of knowledge not BS. Takes pride in his craft and is a master of it.
Manifold & Piping Inspection
Checking all valves, circuits, manifolds, and tubing for leaks or blockages.
Controls & Thermostat Calibration
Testing thermostats and zone controls for accurate temperature management.
Pump & Circulator Testing
Ensuring pumps operate correctly to maintain even heat distribution.
Pressure & Flow Rate Verification
Ensuring proper system pressure and fluid flow for consistent radiant heating.
Boiler & Heat Source Evaluation
Reviewing boilers or heat exchangers that supply hydronic radiant systems.
Long Island Code Compliance Review
Ensuring installations meet Nassau and Suffolk County heating and mechanical codes.
Trusted Heating Expertise for Long Island Homes & Businesses
Our Radiant Heating Safety & Inspection Services Include:
NJM performs detailed radiant heating inspections to ensure safe operation, efficient performance, and long-term reliability.