NPE-Advanced
The most advanced condensing tankless water heaters in the industry with exclusive ComfortFlow® technology for continuous hot water.
- Exclusive ComfortFlow® internal recirculation pump and buffer tank.
- Earn up to 3 LEED points with recirculation.
- Lower the HERS home index score.
- Wi-Fi enabled with NaviLink® add-on.
- Optional HotButton™ on-demand control kit.
- 2013 AHR Innovation Award Winner.


NPE-180AMax Input: 150,000 BTU/HIndoor or outdoor wall-hungResidential/Commercial
ComfortFlow® TechnologySee this model

NPE-210AMax Input: 180,000 BTU/HIndoor or outdoor wall-hungResidential/Commercial
ComfortFlow® TechnologySee this model

NPE-240AMax Input: 199,900 BTU/HIndoor or outdoor wall-hungResidential/Commercial
ComfortFlow® TechnologySee this model
NPE-Standard
CONDENSING TANKLESS WATER HEATER
Our standard ultra condensing tankless technology with the industry’s top rated unit for energy efficiency
- More output for the money.
- Lower installation costs.
- Lower operating costs for the homeowner.
- Earn LEED points.
- Lower HERS score.
- 2015 AHR Innovation Award Winner.

NPE-150SMax Input: 120,000 BTU/HIndoor or outdoor wall-hungResidential/CommercialSee this model

NPE-180SMax Input: 150,000 BTU/HIndoor or outdoor wall-hungResidential/CommercialSee this model

NPE-210SMax Input: 180,000 BTU/HIndoor or outdoor wall-hungResidential/CommercialSee this model

NPE-240SMax Input: 199,900 BTU/HIndoor or outdoor wall-hungResidential/CommercialSee this model
NPN-Universal
PREMIUM NON-CONDENSING TANKLESS WATER HEATER
No one has put more non-condensing ingenuity into tankless than Navien
- Patented NaviTech™ stainless steel heat exchanger and stainless steel burner with lean/rich stable cleaner-burning technology
- 0.81 UEF for all models
- NPN-Universal is the only non-condensing unit that can be used inside or outside
- Strong residential and commercial warranties
- NaviVent™ concentric 3″ x 5″ venting

NPN-160UMax DHW Input: 160,000 BTU/HIndoor or outdoor wall-hungResidential/CommercialSee this model

NPN-180UMax DHW Input: 180,000 BTU/HIndoor or outdoor wall-hungResidential/CommercialSee this model

NPN-199UMax DHW Input: 199,900 BTU/HIndoor or outdoor wall-hungResidential/CommercialSee this model
NPN-Exterior
NON-CONDENSING TANKLESS WATER HEATER
Patented NaviTech™ technology
The NPN series is the first and only non-condensing tankless series to offer NaviTech™ technology that includes a stainless-steel heat exchanger and an advanced stainless-steel burner which provides the very Low NOx at the level of NPE burner.
- Patented NaviTech™ stainless steel heat exchanger and stainless steel burner with stable cleaner-burning technology
- 0.81 UEF for all models
- NPN-E is specifically designed for outdoor use only
- Strong residential and
commercial warranties - NaviVent™ concentric
3″ x 5″ venting

NPN-160EMax DHW Input: 160,000 BTU/HOutdoor wall-hungResidential/Commercial
Available in NG or LPSee this model

NPN-180EMax DHW Input: 180,000 BTU/HOutdoor wall-hungResidential/Commercial
Available in NG or LPSee this model

NPN-199EMax DHW Input: 199,900 BTU/H Outdoor wall-hungResidential/Commercial
Available in NG or LP See this model