Navien NFB Fire-Tube Series
Heating-only fire-tube condensing boiler · ~$5,800–$8,200 installed · Up to 95% AFUE · 604-359-1081
We supply & install — we do not sell equipment on its own. Every GasBoilers.ca price includes professional installation by Red Seal–certified BC gas-fitters, permit, and commissioning.
604-359-1081 — exact installed quoteThe NFB uses a fire-tube heat exchanger for maximum durability and efficiency. Designed for hydronic heating systems including radiant floors, baseboards, and fan coils.
Efficiency
Up to 95% AFUE
Output
60,000 – 399,000 BTU
Warranty
Up to 12 years
Type
Heating-only
Features
- Fire-tube stainless steel heat exchanger
- Up to 15:1 turndown ratio
- Cascade up to 16 units
- Built-in low water cut-off
- NaviLink Wi-Fi compatible
- Common venting
- Outdoor reset
Best For
- Hydronic heating only
- Radiant floor systems
- Baseboard systems
- Larger residential
- Light commercial
NFB Fire-Tube Series Models
Navien NFB-80H
8,000 – 80,000 BTU · 95% AFUE · Small homes
Navien NFB-150H
15,000 – 150,000 BTU · 95% AFUE · Medium homes
Navien NFB-200H
20,000 – 199,000 BTU · 95% AFUE · Large homes
Navien NFB-250H
25,000 – 250,000 BTU · 95% AFUE · Very large / light commercial
Navien NFB-301H
30,000 – 301,000 BTU · 95% AFUE · Light commercial
Navien NFB-399H
40,000 – 399,000 BTU · 95% AFUE · Commercial
What the Installed Price Includes
Approximate installed price — every home is different. Final cost depends on your existing system, venting, gas line, and a heat-loss calculation. Call 604-359-1081 for an exact quote.
More on the Navien NFB Fire-Tube Series
Get an exact Navien NFB Fire-Tube Series quote
604-359-1081 · We supply & install — approximate prices shown, call for your exact number.