Once your order is placed, our team will contact you to schedule your installation or arrange a free pre-installation visit.
Cash on Delivery or Post-Installation Payment available for your convenience.
$100 Extra Off — This Week Only!
Call now to claim your offer and schedule installation.
Get a Free Quote From a Licensed HVAC Expert
✅ 24/7 Support & Fast Response
✅ Trusted by 5200+ Happy Clients
✅ Licensed & Certified Technicians
Description
Navien NCB-240/110H High-Efficiency Condensing Combi-Boiler
The Navien NCB-240/110H is a top-tier high-efficiency condensing combi-boiler designed to deliver exceptional home heating and continuous on-demand hot water in one advanced, space-saving unit. With 240,000 BTU/h dedicated to domestic hot water and 110,000 BTU/h for home heating, it is an excellent choice for medium to large homes that require powerful performance and consistent comfort.
Built with a 95% AFUE efficiency rating, the NCB-240/110H uses advanced condensing technology to capture and reuse exhaust heat, dramatically reducing energy waste and lowering fuel consumption. This high-efficiency operation helps homeowners save on both heating and hot water costs year-round.
Its compact, wall-mounted design eliminates the need for separate heating and water heating systems, freeing up valuable space in basements, mechanical rooms, and utility areas. The intelligent digital controls and fully modulating burner ensure precise temperature management and responsive performance, automatically adjusting output based on real-time demand to maximize energy savings.
The stainless steel heat exchanger offers superior corrosion resistance and enhanced durability, ensuring long-term reliability and low maintenance requirements. With ultra-low NOx emissions, the NCB-240/110H is also an environmentally friendly choice that meets strict emission standards without compromising performance.
Designed for easy installation and dependable operation, this combi-boiler integrates seamlessly into modern homes, providing instant hot water, efficient heating, and long-term comfort. The Navien NCB-240/110H is a smart investment for homeowners seeking an all-in-one, energy-efficient solution that delivers superior performance and year-round reliability.
Specification
Specifications
| Category | Details |
|---|---|
| Make | Navien |
| Model | NCB-240/110H |
| Energy Factor (AFUE) | 95% |
| Fuel Type | Natural Gas |
| Water Flow Rate | 7.9 GPM (30 L/min) |
| Heating Capacity | 110,000 BTU |
| Dimensions | 29.3 H × 17.3 W × 12.8 D (inches) |
| Technical Information | High-efficiency condensing system, modulating burner, smart digital controls |
| Warranty | 10 Years on Heat Exchanger + 5 Years on Parts + 1 Year Labor Coverage |
Why Homeowners Trust Jimmy HVAC for Reliable Comfort
Reliable HVAC Solutions Built for Comfort, Efficiency, and Long-Term Peace of Mind.
Financing Options Available
Enjoy peace of mind with low monthly payments that make your costs easy to manage.

Transparent, Upfront Pricing
No hidden charges—just honest, clear pricing so you always know what to expect.
Licensed & Certified Technicians
TSSA-licensed experts ensure safe, reliable, and high-quality installations and repairs.
Free Installation Included
Enjoy hassle-free setup with free professional installation on every purchase.
Parts & Labour Warranty
Long-lasting protection with comprehensive parts coverage and an included labour warranty.
Reviews
6 reviews for Navien NCB-240/110H Combi-Boiler For Homes 2000-2400 Sq.Ft
Get a Free Quote From a Licensed HVAC Expert
✅ 24/7 Support & Fast Response
✅ Trusted by 5200+ Happy Clients
✅ Licensed & Certified Technicians








David Chen –
Performance has been solid, but communication before installation could have been better. Installation itself was done properly.
Karen O’Brien –
Hot water is consistent even with two showers running. Jimmy HVAC’s install team was polite and efficient.
Samir Patel –
The Navien NCB-240/110H is a good fit for our two-storey home. Pricing wasn’t cheap, but the quality of work was good.
Lucas Tremblay –
Quiet operation and steady heating. Service was quick once the appointment was confirmed.
Natalie Fischer –
No problems with the unit so far, but install ran longer than expected. Overall experience was average.
Omar Siddiqui –
Jimmy HVAC installed the combi boiler in one day. Heat recovery is quick and hot water supply has been reliable.