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Description
Navien NCB-190/080H High-Efficiency Condensing Combi-Boiler
The Navien NCB-190/080H is a high-efficiency condensing combi-boiler designed to deliver powerful home heating and continuous on-demand hot water in one compact system. With 190,000 BTU/h dedicated to domestic hot water and 80,000 BTU/h for space heating, this model is ideal for small to mid-sized homes seeking superior comfort, high energy savings, and maximum space efficiency.
Offering up to 95% AFUE, the NCB-190/080H uses advanced condensing technology to capture and recycle heat that would normally be wasted. This significantly reduces fuel consumption and helps homeowners lower their monthly heating and hot water costs. Its sleek, wall-mounted design replaces both a traditional boiler and water heater—freeing up valuable space in mechanical rooms, basements, and utility closets.
Equipped with intelligent digital controls and a fully modulating burner, the unit automatically adjusts its heat output based on real-time demand. This ensures consistent indoor comfort, faster hot water delivery, and reduced energy waste. A heavy-duty stainless steel heat exchanger enhances durability, improves heat transfer efficiency, and provides long-lasting performance with minimal maintenance.
With ultra-low NOx emissions, the NCB-190/080H is also an environmentally friendly option that meets strict emission standards. Easy installation, flexible venting options, and built-in self-diagnostic features make it a convenient and reliable solution for homeowners and installers alike.
The Navien NCB-190/080H is an exceptional choice for those seeking a space-saving, energy-efficient system that delivers both reliable heating and continuous hot water—making it a smart long-term investment in home comfort and performance.
Specification
Specifications
| Category | Details |
|---|---|
| Make | Navien |
| Model | NCB-190/080H |
| Type | High-Efficiency Condensing Combi-Boiler |
| Energy Factor (AFUE) | 95% |
| Fuel Type | Natural Gas |
| Domestic Hot Water Input | 190,000 BTU/h |
| Heating Input Capacity | 80,000 BTU/h |
| Max Flow Rate | 11.1 GPM (approx., based on series performance) |
| Dimensions | 29.3 H × 17.3 W × 12.8 D (inches) |
| Heat Exchanger | Stainless Steel |
| Mounting Type | Wall-Mounted |
| Emissions | Ultra-Low NOx |
| Technical Information | Advanced condensing system, modulating burner, smart digital controls |
| Warranty | 10 Years on Heat Exchanger + 5 Years on Parts + 1 Year Labor Coverage |
Reviews
16 reviews for Navien NCB-190/080H Combi-Boiler For Homes 1500-2000 Sq.Ft
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Heather Collins –
Very happy with the heating quality and hot water delivery. A practical and reliable system.
Sanjay Khanna –
The Navien NCB-190/080H is a good investment for medium-sized Canadian homes. Smooth operation and consistent comfort throughout winter.
Lisa Morrison –
This combi boiler is efficient and dependable. It handles heating and hot water together without any pressure or temperature issues.
Kevin O’Neill –
Strong performance and compact size. Works well for our family.
Arun Verma –
We chose this Navien combi boiler for our 1900 sq ft home. Heating is balanced in every room and hot water is available instantly, even during peak usage.
Natalie Green –
Reliable system with good efficiency. Installation was clean and the unit is easy to maintain.
Chris Wallace –
The Navien NCB-190/080H Combi-Boiler performs exactly as expected. It supports our home size well and does not make much noise.
Meera Patel –
This boiler provides stable heat even during very cold days. Hot water supply remains smooth throughout the day.
Paul Anderson –
Good heating output for our 1700 sq ft house. No complaints so far.
Jennifer Lee –
We replaced an older boiler with this Navien combi unit and the difference is clear. Faster hot water, consistent heating, and easy controls make daily use comfortable.
Ryan McDonald –
Compact design and strong performance. Fits well in our utility room and works reliably
Sophia Bennett –
The Navien NCB-190/080H is a solid choice for homes between 1500 and 2000 sq ft. Our energy bills have improved and the unit runs very quietly
Daniel Cooper –
This combi boiler handles both space heating and hot water smoothly. We no longer face temperature drops when multiple taps are used
Olivia Martin –
Great heating system for medium-sized homes. Quiet operation and good water pressure.
Mark Reynolds –
We installed the Navien NCB-190/080H Combi-Boiler in our 1800 sq ft home and the performance has been excellent. Heating is even across the house and hot water is always available without delay. Very satisfied with this upgrade
Mark Reynolds –
We installed the Navien NCB-190/080H Combi-Boiler in our 1800 sq ft home and the performance has been excellent. Heating is even across the house and hot water is always available without delay. Very satisfied with this upgrade.