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Navien Certified · Level 3

Every Navien model, side by side

Look up the unit on your wall, or compare a few before you replace one. Each card opens the numbers that matter: input, flow, efficiency and venting. Most of our calls are for the water heaters, combi-boilers and boilers up top.

Water heaters

Navien NPE-A2 condensing tankless water heater with built-in recirculation
Navien

NPE-A2

Type
Condensing tankless water heater with built-in recirculation
Fuel
Gas
Input
150,000–199,900 BTU/h max input (by model)
Efficiency
Up to 0.95 UEF
Venting
2" PVC up to 75 ft; common vent up to 12 units
  • Patented ComfortFlow built-in recirculation pump and buffer tank
  • Dual stainless steel heat exchangers, up to 15:1 turndown
  • EZNav backlit multi-line control with self-diagnostics
  • Cascade up to 32 units with Ready-Link
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)
Navien NPE-S2 condensing tankless water heater
Navien

NPE-S2

Type
Condensing tankless water heater
Fuel
Gas
Input
120,000–199,900 BTU/h max input (by model)
Efficiency
Up to 0.96 UEF
Venting
2" PVC up to 75 ft; common vent up to 12 units
  • Dual stainless steel heat exchangers, up to 15:1 turndown
  • More output with lower installation and operating costs
  • EZNav backlit multi-line control with self-diagnostics
  • Cascade up to 32 units with Ready-Link
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)
Navien NHW-A non-condensing tankless water heater with built-in recirculation
Navien

NHW-A

Type
Non-condensing tankless water heater with built-in recirculation
Fuel
Natural gas or propane
Input
160,000–199,900 BTU/h max DHW input (by model)
Capacity
Up to 9.5 GPM at 35°F rise
Efficiency
0.81 UEF
Venting
NaviVent concentric 3" x 5"
  • ComfortFlow recirculation pump and buffer tank, no cold-water sandwich
  • NaviTech stainless steel heat exchanger and burner
  • NHW-AI for indoor installs, NHW-AE for outdoor installs
  • Five recirculation modes, including on-demand with HotButton
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)
Navien NHW-SU non-condensing tankless water heater (indoor/outdoor)
Navien

NHW-SU

Type
Non-condensing tankless water heater (indoor/outdoor)
Fuel
Gas
Input
160,000–199,900 BTU/h max DHW input (by model)
Capacity
Up to 9.5 GPM at 35°F rise
Efficiency
0.81 UEF
Venting
NaviVent concentric 3" x 5"; vent cap kit required for outdoor install
  • NaviTech stainless steel heat exchanger and stainless steel burner
  • Slim pin-to-pin design for easy retrofit installs
  • Indoor or outdoor wall-hung installation
  • Integrated control panel for temperature and troubleshooting
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)
Navien NHW-SE non-condensing outdoor tankless water heater
Navien

NHW-SE

Type
Non-condensing outdoor tankless water heater
Fuel
Natural gas or propane
Input
120,000–199,900 BTU/h max DHW input (by model)
Capacity
Up to 9.5 GPM at 35°F rise
Efficiency
0.81 UEF
Venting
NaviVent concentric 3" x 5"; no added venting outdoors in non-freezing regions
  • Designed for outdoor installation only
  • NaviTech stainless steel heat exchanger and low-NOx burner
  • 98–140°F temperature range
  • Approved for mobile and manufactured homes
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)
Navien NPN-U non-condensing tankless water heater (indoor/outdoor)
Navien

NPN-U

Type
Non-condensing tankless water heater (indoor/outdoor)
Fuel
Gas
Input
160,000–199,900 BTU/h max DHW input (by model)
Capacity
Up to 9.5 GPM at 35°F rise
Efficiency
0.81 UEF
Venting
NaviVent concentric 3" x 5"
  • NaviTech stainless steel heat exchanger and stainless steel burner
  • Slim pin-to-pin design for easy retrofit installs
  • Usable inside or outside the home
  • Optional HotButton hot water activation
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)
Navien NPN-E non-condensing outdoor tankless water heater
Navien

NPN-E

Type
Non-condensing outdoor tankless water heater
Fuel
Natural gas or propane
Input
160,000–199,900 BTU/h max DHW input (by model)
Capacity
Up to 9.5 GPM at 35°F rise
Efficiency
0.81 UEF
Venting
NaviVent concentric 3" x 5"; no added venting outdoors in non-freezing regions
  • Designed for outdoor installation only
  • NaviTech stainless steel heat exchanger and low-NOx burner
  • Built-in recirculation control, mixing valve and air pressure sensor
  • Approved for mobile and manufactured homes
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)
Navien NWP500 heat pump water heater
Navien

NWP500

Type
Heat pump water heater
Fuel
Electric
Capacity
50-, 65- and 80-gallon models
Efficiency
Up to 4.05 UEF
Venting
Unvented install needs at least 450 cu ft of space; otherwise ducting
  • Stainless steel tank, no anode rod needed
  • Five operating modes, including heat pump only and vacation
  • Quiet operation under 45 dBA
  • Demand-response ready with built-in EcoPort (CTA-2045)
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)

Combi-boilers

Navien NCB-H condensing combi-boiler
Navien

NCB-H

Type
Condensing combi-boiler
Fuel
Natural gas or propane
Input
Heating 60,000–150,000 BTU/h; DHW 160,000–210,000 BTU/h (max input by model)
Capacity
Up to 5.4 GPM DHW at 70°F rise; heating up to 150,000 BTU/h
Venting
Can be common vented with NPE tankless water heaters
  • DHW turndown 15:1, heating turndown up to 11:1
  • Dual stainless steel heat exchangers plus stainless DHW plate exchanger
  • Built-in controls for up to three zone valves or pumps
  • Cascades with up to 15 NPE units for more hot water
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)
Navien NFC-H condensing fire tube combi-boiler
Navien

NFC-H

Type
Condensing fire tube combi-boiler
Fuel
Natural gas or propane
Input
Heating 175,000–199,900 BTU/h; DHW 210,000 BTU/h (max input by model)
Capacity
Up to 5.4 GPM DHW at 70°F rise
Venting
Single pipe or dual pipe; common vent up to 8 units with NPE units
  • Patented stainless steel fire tube heat exchanger, ASME H stamped
  • DHW turndown 15:1 on all models
  • Built-in hardware for 3 zone pumps or 3 zone valves
  • High altitude certified up to 10,100 ft (NG or LP)
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)

Boilers

Navien NHB-H wall-hung condensing heating boiler
Navien

NHB-H

Type
Wall-hung condensing heating boiler
Input
55,000–150,000 BTU/h max heating input (by model)
Efficiency
AFUE 95%
Venting
Certified for common venting, up to 8 units
  • Turndown ratio up to 15:1 (NHB-150H)
  • Controls a boiler pump plus 3 zone pumps or valves
  • Backlit color-coded control panel with click wheel
  • Larger models cascade up to 16 units
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)
Navien NFB-H condensing fire tube heating boiler
Navien

NFB-H

Type
Condensing fire tube heating boiler
Fuel
Natural gas or propane
Input
175,000–199,900 BTU/h max heating input (by model)
Efficiency
AFUE 95.0%
Venting
Dual certified for direct and non-direct venting; common vent up to 8 units
  • Patented stainless steel fire tube heat exchanger
  • Up to 15:1 turndown ratio
  • Reuses existing 1/2" gas piping up to 24 ft
  • Setup Wizard and built-in connections for 3 zones
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)
Navien NFB-C commercial wall-hung condensing fire tube boiler
Navien

NFB-C

Type
Commercial wall-hung condensing fire tube boiler
Fuel
Natural gas or propane (NG-to-LP conversion kit included)
Input
Max 301,000–399,000 BTU/h (2 models)
Efficiency
97.5% thermal efficiency (Energy Star)
Venting
PVC, CPVC, polypropylene or stainless; 3" up to 60 ft, 4" up to 150 ft; common vent up to 4
  • Cascade up to 32 units
  • BMS connectivity: Modbus, BACnet and LonWorks
  • 15:1 turndown ratio
  • 7" touchscreen controls with USB port
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)
Navien NFB700-C commercial floor-standing condensing fire tube boiler
Navien

NFB700-C

Type
Commercial floor-standing condensing fire tube boiler
Fuel
Natural gas or propane (NG-to-LP field convertible; kit included)
Input
Max 499,000–999,000 BTU/h (4 models)
Efficiency
97.5% thermal efficiency (Energy Star)
Venting
PVC, CPVC, polypropylene or stainless steel up to 150 ft; common venting up to 4 units
  • Cascade up to 8 boilers with run-hour balancing
  • Ultra-low NOx under 20 ppm, SCAQMD Rule 1146.2
  • 10.1" color touchscreen with built-in Wi-Fi
  • ASME H-stamped, 160 PSI max working pressure
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)

HVAC

Navien NPF hydronic forced air furnace (hydro-furnace)
Navien

NPF

Type
Hydronic forced air furnace (hydro-furnace)
Fuel
Natural gas or propane
Input
60,000–100,000 BTU/h max heating input (by model)
Capacity
Variable capacity, 15–100%
Efficiency
97% AFUE
Venting
One- or two-pipe; PVC venting
  • Stainless steel condensing hydronic heat exchanger
  • Variable speed ECM blower with whisper-quiet operation
  • Meets SCAQMD ultra-low NOx requirements
  • Upflow, downflow and horizontal models; dual-fuel compatible
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)
Navien NDF condensing 2-stage forced air gas furnace
Navien

NDF

Type
Condensing 2-stage forced air gas furnace
Fuel
Natural gas; propane with conversion kit
Input
53,000–105,000 BTU/h max input (by model)
Efficiency
96% AFUE
Venting
Direct vent and non-direct vent; concentric venting approved
  • Two-stage heating reduces temperature swings
  • Variable-speed ECM blower
  • 4-way multi-position, zero-clearance installation
  • Dual-fuel ready with a compatible heat pump
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)
Navien NAZ inverter-driven heat pump
Navien

NAZ

Type
Inverter-driven heat pump
Fuel
Electric
Capacity
2–5 ton matched systems (22,000–56,000 BTU/h cooling at 95°F)
Efficiency
Matches up to 19.5 SEER2; HSPF2 up to 9.30 (AHRI-matched systems)
  • Inverter compressor matches capacity to home demand
  • Low-GWP R-454B refrigerant
  • Heats down to -4°F; gold-fin coil coating
  • Bluetooth setup and diagnostics via Navien Multikit App
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)
Navien NAA variable-capacity air conditioner
Navien

NAA

Type
Variable-capacity air conditioner
Capacity
1.5–5.0 ton (two outdoor units)
Efficiency
Matches up to 18 SEER2
  • Inverter-driven variable-speed compressor
  • Low-GWP R-454B refrigerant
  • Works in outdoor temperatures from 5°F to 124°F
  • Works with single- or two-stage conventional thermostats
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)
Navien NAE condensing hydro air conditioner with hydro-boost
Navien

NAE

Type
Condensing hydro air conditioner with Hydro-Boost
Capacity
1.5–5 ton capacity ranges
Efficiency
Up to 17.5 SEER2 (up to 30 SEER2 with Hydro-Boost, per Navien internal testing)
  • Hydro-Boost intermittently mists the condenser coil for efficiency
  • Inverter-driven variable-speed compressor
  • Four modes: Efficiency, Normal, Performance, Boost
  • Powder-coated galvalume steel cabinet resists corrosion
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)
Navien NAS air handler
Navien

NAS

Type
Air handler
Capacity
2–5 ton
Efficiency
With NAZ heat pump: up to 19.5 SEER2, HSPF2 up to 9.3
  • Multi-position: upflow, horizontal, downflow with kit
  • Factory-installed TXV and aluminum coil
  • SECM or variable-speed ECM blower options
  • Optional 5–20 kW field-installed electric heat kits
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)
Navien NAM cased indoor coil
Navien

NAM

Type
Cased indoor coil
Capacity
2–5 ton
  • Optimized for low-GWP R-454B refrigerant
  • Pre-installed TXV and factory-mounted A2L leak sensor
  • Multi-position: upflow, downflow, convertible to horizontal
  • Leak-tested and pressurized before shipment
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)

Water treatment

Navien WEC whole-house saltless electric water treatment (deionization)
Navien

WEC

Type
Whole-house saltless electric water treatment (deionization)
Fuel
Electric
  • Electro-membrane technology reduces TDS and hardness without salt
  • Dual modules give treated water with no regeneration downtime
  • Automatic Clean-In-Place self-cleaning
  • Sediment pre-filter and carbon block post-filter
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)
Navien PeakFlow salt-free scale prevention system
Navien

PeakFlow

Type
Salt-free scale prevention system
Capacity
PeakFlow S up to 6 GPM; PeakFlow A up to 10 GPM; PeakFlow C up to 20 GPM
  • Turns hard calcite scale into soft scale that washes away
  • Chemical-free and salt-free
  • Certified to NSF/ANSI/CAN 61 by IAPMO R&T
  • Adds a year of labor warranty with a new Navien tankless
Call (518) 348-3032 Get a quote
Full specs on the Navien website (opens in a new tab)

Select a product to see its specs. Product images courtesy of Navien. Navien and its product names are trademarks of Navien, Inc.

Pick, fit, fix

Not sure which one fits?

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