Navien NCB-E Combi-Boiler

These compact combi-boilers are strong enough to support space heating and DHW for large homes.

Navien NCB-E and NFC are the ultimate high efficiency condensing combination boilers with the capacities to supply both heat and domestic hot water for larger homes — enough space heat for a whole house, plus hot water to run up to 3 showers and a dishwasher all at the same time.

Space heating up to 120k BTU/H  |  DHW up to 199k BTU/H

Innovations make Navien condensing combi-boilers the best choice for homeowners

• AFUE 95% Energy Star Most Efficient for 2019
• Energy Star certified
• Backed by the industry’s strongest warranty—10 years on heat exchangers
• Takes less space than floor standing boiler and tank water heater
• Can be cascaded with Navien NPE water heater for increased DHW flow demand
• Easy to use control panel
• Elegant, clean appearance
• Ideal for replacements or new construction
• Optional NaviLink™ WiFi remote control system
• NaviClean™ magnetic filtration system (Included NFC / Optional NCB-E)

Navien combi-boiler applications

• Domestic hot water
  (showers and faucets)
• Finned tube baseboards
• Cast iron baseboards
• Radiant floor heating
• Fan coils
• Radiators
• Air handlers

Protect the environment as you add value

Navien fire tube condensing stainless steel heat exchangers recover additional heat from the flue gases contributing to reduced energy consumption and lower CO₂ emissions. Resulting lower exhaust temperatures allow for the use of inexpensive venting materials such as PVC Schedule 40 in almost all applications.

The ultimate in energy efficiency

Navien condensing combi-boiler technology provides 95.0% AFUE, recognized by Energy Star as Most Efficient. These extremely efficient and eco-friendly units provide extra energy savings over traditional floor-standing boilers and storage tanks.