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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.
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Long-lasting protection with comprehensive parts coverage and an included labour warranty.
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Reviews
15 reviews for Navien NCB-240/110H Combi-Boiler For Homes 2000-2400 Sq.Ft
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Service Area – Professional HVAC Installation & Replacement
Jimmy HVAC provides professional installation, replacement, and system upgrades for residential and light commercial HVAC equipment throughout the Greater Toronto Area. Our certified technicians ensure every system is installed according to manufacturer specifications, Ontario building codes, and industry best practices.
Whether you are upgrading to a high-efficiency system, replacing ageing equipment, or installing a new HVAC solution, our team serves homeowners and property managers across the GTA with reliable service and transparent pricing.
Cities We Serve
Toronto
Mississauga
Brampton
Vaughan
Markham
Richmond Hill
Oakville
Milton
Pickering
Ajax
Whitby
Oshawa
London
Barrie
Hamilton
Kitchener
Full-Service HVAC Solutions Across the GTA
Our services include:
Furnace installation & replacement
Air conditioner installation
Heat pump systems
Tankless water heaters
Boiler systems
HVAC system upgrades & retrofits
- Complete Commercial HVAC Solutions
Preventative maintenance & system inspections
Each installation is completed by licensed technicians to ensure optimal performance, long-term reliability, and energy efficiency.
In addition to professional installation, we provide detailed system assessment and proper equipment sizing to match your property’s heating and cooling requirements. Correct system sizing is critical for maximizing energy efficiency, maintaining consistent indoor comfort, and preventing premature equipment wear. Our team evaluates factors such as square footage, insulation levels, airflow design, and overall system compatibility before recommending any HVAC solution.
We focus on delivering installations that meet manufacturer specifications and industry standards, ensuring warranty compliance and long-term operational stability. From new construction projects to replacement of aging HVAC systems, every installation is carried out with attention to airflow balance, duct integration, ventilation requirements, and energy performance optimization.
Homeowners and property managers rely on Jimmy HVAC for dependable service, clear communication, and technically sound installations that reduce operating costs while improving year-round comfort. Whether upgrading to a high-efficiency furnace, installing a modern heat pump system, or replacing an outdated boiler, our goal is to provide durable HVAC solutions designed for consistent performance and long-term value.








Megan Foster –
Installation was smooth and completed in one visit. So far the Navien combi-boiler is performing as expected.
Lucas Tremblay –
The boiler works well for our 2400 sq.ft home. Hot water is instant and the heating feels more balanced across rooms.:
Emily Carter –
Good service and reasonable price. The Navien NCB-240/110H seems efficient, though I wish the thermostat instructions were a bit clearer.
Robert Campbell –
Installation team was on time and explained how the Navien system works. The unit itself runs quieter than our old boiler.
Chloe Martin –
Happy with the purchase overall. It heats our 2000 sq.ft home well and provides steady hot water for showers and laundry.
Andrew Wallace –
Quick installation and decent pricing. Heating performance of the Navien NCB-240/110H has been consistent during colder days.
Michael O’Connor –
Solid boiler for medium sized homes. Our place is around 2300 sq.ft and the Navien NCB-240/110H keeps it warm without issues.
Amanda Gervais –
Fair pricing compared to other quotes we received. The Navien combi-boiler works well, although it took a day or two to understand the controls.
Sarah Thompson –
The Navien combi-boiler has been running smoothly so far. Heating our house evenly and the hot water pressure is much better than our old unit.
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.