Navien
40 certified hvac models
Boilers
AFUE across all boilers: 87 to 97 %, median 95.
- NCB-190/060HBoiler95%
- NCB-190/080HBoiler95%
- NCB-240/110HBoiler95%
- NCB-240/130HBoiler95%
- NCB-250/150HBoiler95%
- NCB700-190/060Boiler96%
- NCB700-190/080Boiler96%
- NCB700-240/110Boiler96%
- NCB700-240/130Boiler96%
- NCB700-250/150Boiler96%
- NFB-175HBoiler95%
- NFB-200HBoiler95%
- NFB700-110Boiler96%
- NFB700-150Boiler96%
- NFB700-200Boiler96%
- NFC-250/175HBoiler95%
- NFC-250/200HBoiler95%
- NHB-055Boiler95%
- NHB-055HBoiler95%
- NHB-080Boiler95%
- NHB-080HBoiler95%
- NHB-110Boiler95%
- NHB-110HBoiler95%
- NHB-150Boiler95%
- NHB-150HBoiler95%
Commercial Boilers
Thermal Eff across all commercial boilers: 94 to 98.7 %, median 96.5.
Furnaces
AFUE across all furnaces: 95 to 99 %, median 96.1.