Combi Gas Boiler - Navien NFC-H Series High Efficiency

The Navien NFC‑H Series 150 MBH High‑Efficiency Condensing Combi Gas Boiler is engineered to deliver exceptional whole‑home heating performance and continuous on‑demand domestic hot water in one premium, space‑saving unit. Designed around Navien’s advanced stainless‑steel fire‑tube heat exchanger, this Combi Gas Boiler provides outstanding durability, superior corrosion resistance, and consistently quiet operation—ideal for demanding Long Island homes that rely on dependable heat throughout the winter.

With its impressive 15:1 domestic hot water turndown ratio, the NFC‑H automatically modulates output to match real‑time demand. This ensures stable comfort, reduced fuel consumption, and efficient performance during both low‑flow and high‑demand conditions. Whether you’re running multiple fixtures or maintaining steady hydronic heat, the system adapts seamlessly without wasting energy.

The NFC‑H Series incorporates smart controls, a built‑in primary circulator, and flexible venting configurations, making installation straightforward for professionals and ensuring long‑term reliability for homeowners. Its integrated control platform allows precise temperature management, intuitive diagnostics, and compatibility with modern home heating layouts, including baseboards, radiators, and hydronic air handlers.

Engineered for high‑capacity output in a compact footprint, this combi boiler is an excellent upgrade for homeowners seeking improved efficiency, lower operating costs, and consistent hot water availability. The combination of condensing technology, advanced modulation, and Navien’s proven engineering results in a system that maximizes performance while minimizing energy waste.

Ideal for replacements or new installations, the Navien NFC‑H 150 MBH Combi Boiler delivers the perfect balance of power, efficiency, and long‑term value—making it a top‑tier choice for modern residential heating and hot water needs.

We service and install all types of HVAC heating and cooling equipment throughout Long Island, including (but not limited to) this coverage area:

Nassau County: Oyster Bay, Hempstead, North Hempstead, Glen Cove, Long Beach, Freeport, Valley Stream, Garden City, Great Neck, Mineola, Hicksville, Levittown, Massapequa, Bethpage, Plainview, Syosset, Jericho, Westbury, Rockville Centre, Farmingdale

Suffolk County: Huntington, Babylon, Islip, Smithtown, Brookhaven, Riverhead, Shelter Island, Southold, Southampton, East Hampton, Commack, Deer Park, Lindenhurst, Bay Shore, Brentwood, Central Islip, Hauppauge, Centereach, Selden, Medford, Patchogue, Shirley

Contact us today at (631) 779-3196