Navien NCB-250/150H Condensing Combi Boiler
A Navien NCB-250/150H Condensing Combi Boiler is engineered to deliver powerful home heating and endless domestic hot water from a single compact system. It is ideal for larger homes and households with multiple bathrooms that require strong, consistent hot water performance alongside efficient heating. Many homeowners choose a Navien boiler installation because it combines advanced condensing technology, intelligent burner modulation, and durable stainless-steel heat exchangers for superior efficiency and long-term reliability. From a technical perspective, the Navien NCB-250/150H provides up to 95% AFUE efficiency, 150,000 BTU heating capacity, and up to 210,000 BTU domestic hot water input, making it highly effective for demanding residential applications. Pairing the system with a preventative maintenance program helps maximize energy efficiency, comfort, and long-term performance.
For the best results contact Afrusun and to get the best rebate, grants, promotions and other direct and indirect assistance with Afrusun. You can also explore our professional boiler services, financing options, and service areas across Toronto & GTA.
Top Navien NCB-250/150H Warranty
- 10 Years Heat Exchanger Limited Warranty
- 5 Years Parts Limited Warranty
- 1 Year Labour Warranty
- Certified Installer Warranty Protection
- Professional installation and annual maintenance recommended for full coverage
Energy efficiency
The Navien NCB-250/150H delivers up to 95% AFUE efficiency through advanced condensing technology and intelligent burner modulation. Compared to older conventional boilers, this high-efficiency combi system helps homeowners significantly reduce heating and hot water energy consumption while maintaining excellent comfort and performance throughout the year.
Key specifications - Navien NCB-250/150H
- Model: Navien NCB-250/150H
- Type: High-Efficiency Condensing Combi Boiler
- Space Heating Capacity: 150,000 BTU/h
- Domestic Hot Water Capacity: 210,000 BTU/h
- Efficiency: Up to 95% AFUE
- Heat Exchangers: Dual stainless-steel heat exchangers
- Installation Type: Indoor wall-hung configuration
- Fuel Type: Natural gas or propane compatible
- Burner: Fully modulating premix burner
- Controls: Smart LCD display with advanced diagnostics
- Venting: PVC, CPVC, polypropylene compatible venting
- Application: Residential heating and domestic hot water
Coverage Area and Ideal Home Size - Navien NCB-250/150H
The Navien NCB-250/150H is ideal for medium to large homes typically ranging from 2,000–4,500 sq. ft., depending on insulation, climate, and heating system design. It is especially suitable for larger households with multiple bathrooms, radiant heating systems, and higher domestic hot water demands.
Why to choose Navien NCB-250/150H and why to choose Navien
- Combines powerful heating and endless hot water in one compact unit
- 150,000 BTU heating capacity for larger residential properties
- 210,000 BTU domestic hot water input supports multiple simultaneous fixtures
- Up to 95% AFUE efficiency helps lower utility costs
- Dual stainless-steel heat exchangers improve durability and corrosion resistance
- Compact wall-mounted design saves valuable installation space
- Advanced burner modulation improves comfort and energy management
- Smart controls and onboard diagnostics simplify operation and service
- Compatible with natural gas and propane installations
Choosing Navien gives homeowners access to advanced boiler technology, exceptional efficiency, and dependable comfort. Navien products are known for combining innovative engineering, durable materials, and intelligent controls that help reduce operating costs while delivering reliable heating and continuous hot water performance.
Why to choose Afrusun
Afrusun is trusted by homeowners and businesses for expert heating, cooling, boiler, and ventilation services across Toronto and the GTA. Our certified team specializes in boiler installation, maintenance, repairs, and energy-efficient HVAC solutions customized to your home’s needs. With our professional support, rebate programs, financing options, and free estimates, you receive transparent pricing and reliable workmanship every step of the way. Contact Afrusun today to learn more about the Navien NCB-250/150H Condensing Combi Boiler.
What people say about Navien NCB-250/150H
Many homeowners and HVAC professionals consider the Navien NCB-250/150H to be a highly efficient and space-saving combi boiler solution. Users frequently praise its strong hot water performance, quiet operation, and lower utility bills compared to traditional boiler systems. Installers often recommend regular maintenance to maintain efficiency and maximize long-term reliability.
Navien NCB-250/150H Product Information
| About | Details |
|---|---|
| Brand | Navien |
| Model | NCB-250/150H |
| Series | NCB-H Series |
| Product Type | Condensing Combi Boiler |
| Space Heating Capacity | 150,000 BTU/h |
| Domestic Hot Water Capacity | 210,000 BTU/h |
| AFUE Efficiency | Up to 95% |
| Energy Star | YES |
| Fuel Type | Natural Gas / Propane |
| Heat Exchanger | Dual Stainless-Steel |
| Installation Type | Indoor Wall-Hung |
| Ignition Type | Electronic Ignition |
| Voltage | 120V AC / 60Hz |
| Product Depth | 12.8 in |
| Product Width | 17.3 in |
| Product Height | 29.3 in |
| Weight | 96 lb |
| Application | Residential Heating & Hot Water |
| Installation Included | ✅ Yes |
| Warranty on Heat Exchanger | ✅ 10 Years |
| Warranty on Parts | ✅ 5 Years |
| Labour Warranty | ✅ 1 Year |
