The Navien NHB‑150H is a premium high‑efficiency condensing boiler designed for powerful hydronic heating in a compact, wall‑mounted footprint. With 150,000 BTU of heating capacity, an impressive 95% AFUE, and an ultra‑wide 15:1 turndown ratio, the NHB‑150H delivers exceptional comfort, fuel savings, and long‑term reliability. It operates on natural gas or propane, making it a flexible solution for a wide range of residential installations.
Key Features
High‑Efficiency Condensing Performance
95% AFUE for outstanding energy savings
Stainless steel heat exchanger for superior durability and corrosion resistance
Low NOx emissions for cleaner, environmentally responsible operation
15:1 Ultra‑High Turndown Ratio
Extremely wide modulation range for precise temperature control
Reduces cycling, increases efficiency, and extends component life
Ideal for homes with varying heating loads
Fuel Flexibility
Compatible with natural gas or propane
Perfect for homes without natural gas service or those upgrading older LP systems
Advanced Navien Controls
Intuitive digital interface with built‑in diagnostics
Outdoor reset capability for improved comfort and efficiency
Easy setup and serviceability for installers and technicians
Compact Wall‑Mounted Design
Saves valuable floor space
Quiet operation suitable for utility rooms, closets, and tight mechanical areas
Dimensions
Height: 27.4 in
Width: 17.3 in
Depth: 13.2 in
Ideal For
Homes needing high‑efficiency hydronic heating
Natural gas or propane installations
High‑efficiency upgrades and replacements
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
