Boiler
Navien NCB700 Advanced Condensing Combi-Boiler
Model NCB700-190/060 / NCB700-190/080 +3
96% AFUE condensing. Built-in Wi-Fi with NaviLink app and over-the-air updates.
- AFUE
- 96.0%
- Max input
- 150,000 BTU
Compare boilers from the brands we trust. Every system is sized for your home and installed by our licensed technicians. Need help choosing? Request a free in-home quote or see our boilers services.
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Boiler
Navien NCB-H Condensing Combi-Boiler
Model NCB-190/060H / NCB-190/080H +3
Up to 210,000 BTU/h for DHW. Built-in zone controls for up to three zone valves or zone pumps.
- AFUE
- 95.0%
- Max input
- 150,000 BTU
Boiler
Navien NFC-H Condensing Fire Tube Combi-Boiler
Model NFC-250/175H / NFC-250/200H
Stainless steel fire tube heat exchanger. Dual inputs: 210,000 BTU/h DHW and up to 199,900 BTU/h heating.
- AFUE
- 95.0%
- Max input
- 199,900 BTU
Boiler
Navien NFB-H Condensing Fire Tube Heating Boiler
Model NFB-175H / NFB-200H
Patented stainless steel fire tube heat exchanger. Built-in 3 zone pumps or 3 zone valves powered connections.
- AFUE
- 95.0%
- Max input
- 183,000 BTU
Boiler
Navien NHB-H Condensing Heating Boiler
Model NHB-55H / NHB-80H +2
Compact wall-hung condensing boiler in four sizes. Built-in hardware to control a boiler pump, 3 zone pumps or 3 zone valves.
- AFUE
- 95%
- Max input
- 150,000 BTU
Compare boilers side by side
| Model | Tier | AFUE | Max input |
|---|---|---|---|
| Navien NCB700 Advanced Condensing Combi-Boiler | — | 96.0% | 150,000 BTU |
| Navien NCB-H Condensing Combi-Boiler | — | 95.0% | 150,000 BTU |
| Navien NFC-H Condensing Fire Tube Combi-Boiler | — | 95.0% | 199,900 BTU |
| Navien NFB-H Condensing Fire Tube Heating Boiler | — | 95.0% | 183,000 BTU |
| Navien NHB-H Condensing Heating Boiler | — | 95% | 150,000 BTU |
Manufacturer-published ratings. Efficiency varies by size and matched equipment. Premium, mid-range and standard tiers follow each manufacturer's own product lines.
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