Navien NHB Boiler – Smarter & Smaller

Navien has introduced the efficient wall-hung condensing NHB series for residential and light commercial use. There are 4 wall-hung sizes: NHB-55, NHB-80, NHB 110 and NHB-150, with turn-down-ratios respectively of 7:1, 10:1, 11:1, and 15:1. The noteworthy 15:1 TDR in the NHB-150 is achieved with Navien’s advanced burner system. With a huge number of smart control features, the NHB carries the coveted Energy Star 2015 Most Efficient rating and offers an opportunity to achieve a true high-efficiency installation in both residential and light commercial situations.