Gas input ranges

Navien NHB
condensing boilers

As the leader in condensing technology, Navien has already reinvented the water heating industry with the award-winning NPE tankless water heaters and the NCB combi-boilers. The new NHB boiler series is the next in line of innovations from Navien. All NHB boilers have Navien’s advanced burner system, an industry-leading AFUE of 95% and turn down ratios up to 15:1. Now available in four sizes NHB‑55, NHB‑80, NHB‑110 and NHB‑150.

The industry’s strongest
residential warranty

Long life components, advanced technology and superior craftsmanship assure that your Navien tankless boiler will provide years of trouble‑free service, for added peace of mind.