CombiCondensingHigh-Efficiency
Navien NFC Fire-Tube Combi
Fire-tube heat exchanger combi boiler engineered for higher efficiency and quieter operation.
95–97% AFUE$3,400 – $5,600 installed2 models
NFC Fire-Tube Combi models
CombiENERGY STAR
NFC-175 Fire-Tube Combi
AFUE
95%
Output
166k BTU
Turndown
11:1
Warranty
15 years
★ Longest combi warranty
Installed from
$5,800
CombiENERGY STAR
NFC-200 Fire-Tube Combi
AFUE
95%
Output
188k BTU
Turndown
11:1
Warranty
15 years
Installed from
$6,200
Other Navien series
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