Navien NHB Boiler
Updated: Aug 11, 2016Write a review
Overview of the NHB
The Navien NHB is a condensing gas boiler with an efficiency rating of 95.0% AFUE. It was named an Energy Star Most Efficient 2016 product and is available in four models: NHB-55, NHB-80, NHB-110, and NHB-150. The NHB is a wall-hung boiler, designed to occupy far less space than a traditional floor-standing boiler. It can be vented with 2" and 3" PVC, CPVC and approved polypropylene, with venting up to 60 feet using 2" PVC, and up to 16 units of the two largest models, the 110 and 150, can be cascaded. An optional NaviLink control allows remote temperature control and monitoring.
Other NHB Reviews
A homeowner on heatinghelp.com asked if the NHB was a good unit and was told by one professional that it's okay but there are better units available. There was a long discussion on the same post between professionals regarding how long it takes to get parts for Navien boilers. On terrylove.com, a homeowner asked for opinions regarding the NHB and a Dunkirk boiler and received a couple of replies from professionals who preferred the NHB.
The warranty for the Navien NHB boiler is comprised of the following:
- 15-year heat exchanger warranty
- 5-year parts and other components warranty
- 1-year labor warranty