Navien NHB-55
The Navien NHB-55 is a 95% AFUE heating only boiler with a 5,500 – 55,000 BTU output, part of the Navien NHB Series line. GasBoilers.ca installs, repairs, and maintains the NHB-55 across Greater Vancouver — Red Seal–certified, TSBC-licensed, same-day repair available. Call 604-359-1081.
Navien NHB-55 overview
The NHB is Navien's compact heating-only condensing boiler. Wall-mounted, modulating, and built for hydronic systems where domestic hot water is supplied separately (e.g., by a tank or tankless heater).
95% AFUE
Efficiency
5,500 – 55,000
BTU Output
Up to 12 years
Warranty
NHB-55 specifications
| Model | Navien NHB-55 |
| Series | NHB Series |
| Type | heating only |
| BTU Output | 5,500 – 55,000 |
| Efficiency | 95% AFUE |
| Warranty | Up to 12 years |
| Origin | Korea |
| Best for | Small homes |
NHB Series features
Navien NHB-55 services we provide
All work by licensed BC gas-fitters — TSBC-certified.
NHB-55 Installation
Permit, sizing, venting, gas, commissioning.
From $5,200
NHB-55 Repair
Error code diagnosis, parts, full repair.
From $189
NHB-55 Maintenance
Annual tune-up — required for warranty.
From $169
NHB-55 Replacement
Upgrade an older unit. Rebate-eligible.
From $5,200
Emergency Service
Same-day no-heat, leak, CO, gas-smell response.
Call 604-359-1081
Warranty Service
Authorized warranty repairs for Navien.
Warranty-covered
Navien NHB-55 — frequently asked questions
How much does Navien NHB-55 installation cost in Vancouver?
Navien NHB-55 installation starts from $5,200 in Greater Vancouver, including permit, code-compliant venting and gas piping, removal of the old unit, and full commissioning. Final pricing depends on your existing system and a heat-loss calculation. Call 604-359-1081 for a free quote.
What size is the Navien NHB-55?
The Navien NHB-55 has a heating output of 5,500 – 55,000 BTU, with 95% AFUE efficiency. It is best suited to small homes.
Do you repair the Navien NHB-55?
Yes. We diagnose and repair the Navien NHB-55 — error codes, ignition faults, no-heat, leaks, low pressure, and sensor issues — from $189. Our technicians are factory-trained on Navien NHB Series units and carry common parts on the truck.
How often should the Navien NHB-55 be serviced?
Navien recommends annual maintenance to keep the NHB-55 efficient, safe, and within warranty (up to up to 12 years). Our maintenance service starts from $169.
Navien NHB-55 service across Greater Vancouver
We service the NHB-55 in every major Greater Vancouver city.
Book Navien NHB-55 service today
Same-day repair available · Free installation quotes · Licensed gas-fitters