Navien Heat only Boiler – 55,000 BTU – Model NHB-55

The Navien NHB-55 High-Efficiency Condensing Heating Boiler is a compact, high-performance heating solution designed for homeowners who want reliable and efficient heating without compromising on space. Ideal for smaller homes or light commercial applications, this unit provides consistent, on-demand space heating with the latest in condensing boiler technology.

With a heating capacity of 55,000 BTU, the NHB-55 is perfect for homes with lower to moderate heating demands, offering exceptional energy efficiency while maintaining a comfortable indoor environment. Its natural gas operation and condensing technology ensure maximum heat transfer, reducing energy consumption and heating costs. The modulating burner adjusts its output according to heating needs, optimizing fuel use and providing consistent warmth throughout your home.

Navien is a recognized leader in high-efficiency condensing technology, delivering top-tier heating solutions that combine innovation, durability, and cost-effectiveness. Known for its industry-leading performance, Navien is committed to creating products that help homeowners reduce energy consumption and minimize environmental impact. The NHB-55continues this tradition, offering exceptional 95% AFUE efficiency, which significantly reduces utility bills. Its compact design fits into tight spaces, making it ideal for homes with limited installation options. Navien’s advanced condensing technology and modulating burner system ensure that energy is used only when needed, making the NHB-55 a highly efficient and reliable choice.

The expected lifespan of the Navien NHB-55 is between 15 and 20 years, depending on installation quality and regular maintenance. Performing routine maintenance, such as descaling and system flushing, will help extend the unit’s life and maintain peak performance.

This Navien NHB-55 comes with a 5-year warranty on parts and a 15-year warranty on the heat exchanger, offering long-term reliability and peace of mind. Financing options are available, and through authorized dealers, you may also be able to access extended labor warranties for additional protection.

Related Documents

• Navien NHB Brochure
• Navien Warranty Policy for Replacement Parts
• NHB User’s Manual