The Navien NCB‑190/080H is a premium high‑efficiency condensing combi boiler engineered to deliver both whole‑home hydronic heat and continuous domestic hot water from a single, ultra‑compact wall‑mounted unit. With 95% AFUE, an 11:1 turndown ratio, and the flexibility to run on natural gas or propane, it’s built for homeowners who want top‑tier performance, low operating costs, and long‑term reliability.
Key Features
High‑Efficiency Condensing Performance
95% AFUE for exceptional energy savings
80,000 BTU heating capacity for dependable hydronic comfort
Stainless steel heat exchanger for long‑term durability and corrosion resistance
Combi System: Heat + Hot Water
Provides space heating and endless domestic hot water
Eliminates the need for a separate water heater
Ideal for homes looking to maximize efficiency and minimize equipment footprint
Advanced 11:1 Turndown Ratio
Wide modulation range ensures precise output
Reduces cycling, improves comfort, and lowers fuel usage
Fuel Flexibility
Operates on natural gas or propane
Perfect for homes without natural gas service or those upgrading from older LP systems
Compact Wall‑Hung Design
Saves valuable floor space
Quiet operation suitable for utility rooms, closets, and tight mechanical areas
Smart Controls & Diagnostics
Intuitive digital display
Built‑in system monitoring and easy troubleshooting
Compatible with modern home heating controls
Dimensions
Height: 27.4 in
Width: 17.3 in
Depth: 13.2 in
Ideal For
Homes needing both hydronic heat and domestic hot water
High‑efficiency upgrades
Natural gas or propane installations
Space‑restricted mechanical rooms
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
