Residential
Residential Products
Efficient and earth-friendly products designed for any size home.
Overview
Tankless Water Heaters
High-efficiency condensing and non-condensing tankless water heaters offer endless hot water and reduce gas usage.
Overview
Ultra-high efficiency condensing tankless water heaters
> NPE‑A2 Series > NPE‑S2 Series
High efficiency non-condensing tankless water heaters
> NewNHW‑AI Series > NewNHW‑AE Series > NPN‑E Series > NPN‑U Series > NewNHW‑SE Series > NewNHW‑SU Series
Combi-boilers
Condensing combi-boilers deliver high-efficiency endless hot water and space heating in one compact unit.
Overview
Condensing combi-boilers
> NCB‑H Series > NFC‑H Series
Boilers
Space-saving high-efficiency condensing boilers provide the ultimate home heating and comfort experience.
Overview
Condensing heating boilers
> NFB‑H Series > NewNHB‑H Series
HVAC
High-efficiency hydro-furnaces provide consistent comfort while minimizing energy consumption.
Overview
Hydronic Furnaces
> NewNPF Series
Water Treatment
Protect your water supply and your water heating equipment with eco-friendly water treatment solutions.
Overview
Scale Prevention Systems
> PeakFlow^® Series
Commercial
Commercial Products
Efficient, durable and high-performance products for any commercial application.
Overview
Tankless Water Heaters
High-efficiency condensing and non-condensing tankless water heaters offer endless hot water and reduce gas usage.
Overview
Ultra-high efficiency condensing tankless water heaters
> NPE‑A2 Series > NPE‑S2 Series
High efficiency non-condensing tankless water heaters
> NewNHW‑AI Series > NewNHW‑AE Series > NPN‑E Series > NPN‑U Series > NewNHW‑SE Series > NewNHW‑SU Series
Combi-boilers
Condensing combi-boilers deliver high-efficiency endless hot water and space heating in one compact unit.
Overview
Condensing combi-boilers
> NFC‑H Series
Boilers
Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience.
Overview
Condensing heating boilers
> NFB‑H Series > NewNHB‑H Series > NFB‑C Series
Water Treatment
Protect the water supply and water heating equipment with eco-friendly water treatment solutions.
Overview
Scale Prevention Systems
> PeakFlow^® Series
Products
All Navien Products
Learn more about our products for home owners
Overview
Tankless Water Heaters
Condensing tankless water heaters
NPE‑A2 Series
> NPE-180A2 > NPE-210A2 > NPE-240A2
NPE‑S2 Series
> NPE-150S2 > NPE-180S2 > NPE-210S2 > NPE-240S2
Non-condensing tankless water heaters
NewNHW‑AI Series
> NHW-160AI > NHW-180AI > NHW-199AI
NewNHW‑AE Series
> NHW-160AE > NHW-180AE > NHW-199AE
NewNHW‑SU Series
> NHW-160SU > NHW-180SU > NHW-199SU
NPN‑U Series
> NPN-160U > NPN-180U > NPN-199U
NPN‑E Series
> NPN-160E > NPN-180E > NPN-199E
NewNHW‑SE Series
> NHW-160SE > NHW-180SE > NHW-199SE
Combi-boilers
NCB‑H Series
> NCB-190/060H > NCB-190/080H > NCB-240/110H > NCB-240/130H > NCB-250/150H
NFC‑H Series
> NFC-250/175H > NFC-250/200H
Boilers
NFB‑H Series
> NFB-175H > NFB-200H
NewNHB‑H Series
> NHB-55H > NHB-80H > NHB-110H > NHB-150H
NFB‑C Series
> NFB-301C > NFB-399C
HVAC
Hydronic furnaces
NewNPF Series
> NPF700-060U3BH > NPF700-080U3BH > NPF700-100U5CH > NPF700-060H3BH > NPF700-080H3BH > NPF700-100H5CH
Water Treatment
PeakFlow^® Series
> PeakFlow^® S > PeakFlow^® A > PeakFlow^® C
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Condensing Tankless: Calculating Your Savings

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What's the Difference Between Condensing & Non-Condensing Tankless Water Heaters?

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Navien Celebrates Unprecedented Success: Now the Leading Manufacturer of Wall-Hung Boilers and Gas Tankless Water Heaters in North America

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