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NAVIEN NCB-240/130H Combi Boiler, 130,000 BTU Heating, 199,000 BTU Water Heating
The Navien NCB-240/130H, installed by 4Most Energy, delivers 130,000 BTU heating and 199,000 BTU hot water with a 10.4 GPM max flow rate. Ideal for large homes up to 3,500 sq ft (3 bathrooms), it’s perfect for radiant, radiator, or air-handler systems with high hot-water demand.
$4,199.00
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Installed by 4Most Energy — 130,000 BTU Heating • 199,000 BTU Hot Water
The Navien NCB-240/130H is a high-efficiency condensing combi boiler designed for homeowners who want powerful heating and endless hot water in one compact system. Professionally installed and serviced by 4Most Energy, it combines advanced condensing technology, a stainless-steel heat exchanger, and intelligent digital controls for superior performance, reliability, and long-term savings.
Delivering 130,000 BTU/h for heating and 199,000 BTU/h for domestic hot water, the NCB-240/130H provides excellent comfort while achieving up to 95 % AFUE efficiency—helping Ontario homeowners reduce energy costs and carbon footprint.
Why Choose the NCB-240/130H (Installed by 4Most Energy)
High-efficiency condensing design (95 % AFUE) for lower gas bills
Powerful 199 k BTU hot-water capacity for steady flow at multiple fixtures
Smart modulating burner for quiet, even temperature control
Stainless-steel heat exchanger for corrosion resistance and long life
Wi-Fi Ready (NaviLink™) for remote monitoring and adjustments
Ultra-Low NOx emissions for a greener, cleaner home
Best Fit (Size & Applications)
Perfect for large homes up to ≈ 3,500 sq ft / 3–4 bathrooms
Handles a maximum flow rate of 10.4 GPM (average ≈ 8 GPM)
Ideal for multi-zone hydronic systems, radiators, in-floor heating, and air-handler integrations
Provides reliable heating and hot water for year-round comfort
Additional Information
Additional Information
| Model | NCB-240/130H | Brand | Navien | Series | NCB-H |
|---|---|---|---|---|---|
| Heating Capacity | 130,000 BTU | Water Heating Capacity | 199,000 BTU | Energy Factor | 95 % |
| Flow Rate (Max) | 10.4 GPM | Flow Rate (Average) | 8.0 GPM | Wi-Fi Capable | YES |
| Venting Type | Direct Vent | Built-In Recirculation | YES | Energy Star | YES |
| Product Depth | 13.2" | Product Width | 17.3" | Product Height | 28" |
| Weight | 85 lbs | Warranty – Heat Exchanger | 10 Years | Warranty – Parts | 5 Years |
| Labour Warranty (4Most Energy) | 1 Year — Professional Installation by Certified 4Most Energy Technicians | ||||
Service Area
4Most Energy proudly serves homeowners and businesses throughout the Greater Toronto Area, Golden Horseshoe, and Southwestern Ontario with professional installation and service for Navien tankless water heaters and boilers.
We offer expert sales, installation, and maintenance for all Navien high-efficiency systems in:
Toronto • North York • Richmond Hill • Vaughan • Markham • Aurora • Newmarket • Mississauga • Oakville • Burlington • Brampton • Hamilton • St. Catharines • Niagara Falls • Kitchener • Waterloo • Guelph • Cambridge • Milton • Orangeville • Barrie • Oshawa • Whitby • Ajax • Pickering • Stoney Creek • Grimsby, and all surrounding communities.
Our certified HVAC team provides on-site installation and replacement services across these regions. Every Navien installation by 4Most Energy includes a 1-year labour warranty, ensuring peace of mind and guaranteed workmanship.
With licensed technicians strategically located throughout Ontario, we offer fast response times for after-installation service, emergency repairs, and priority maintenance calls, keeping your Navien tankless water heater or boiler running efficiently year-round.
Sizing Table
System Size & Capacity
The Navien NCB-240/130H is engineered for
large residential homes up to ~3,500 sq ft with
3–4 bathrooms requiring reliable heating and continuous hot water.
Heating Output: 130,000 BTU/h |
Domestic Hot-Water Output: 199,000 BTU/h |
Flow Rate: Max 10.4 GPM / Avg 8.0 GPM
Ideal for multi-zone hydronic systems such as
in-floor radiant heating, radiator/baseboard systems, and
air-handler configurations.
Provides strong performance for homes with high domestic hot-water and heating demands.
⚙️ Professionally sized, installed, and commissioned by
4Most Energy — offering expert zoning advice,
system calibration, and priority service across Ontario.
