Navien · Combi Boilers
Navien NCB-240/110H
Condensing combi · 95% AFUE · 110k BTU heat
More heating output and hot-water flow for a typical detached home — comfortably runs heat plus a couple of fixtures at once. The popular middle choice.
95%
AFUE
Navien
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Why homeowners choose the Navien NCB-240/110H
The Navien NCB-240 is the right-sized condensing combi for most detached homes — more heating output and hot-water flow than the NCB-160, so it comfortably runs heat plus a couple of fixtures at once. It is the popular middle choice in the Navien lineup.
- Up to 95% AFUE condensing efficiency
- 110,000 BTU heating with 5.4 GPM hot-water flow
- Heat plus endless hot water from one wall-mounted unit
A good fit if…
- Typical GTA and Simcoe detached homes
- Households running heat plus a couple of hot-water fixtures at once
- Homeowners upgrading from an older standard-efficiency boiler
Key specifications
- Efficiency
- Up to 95% AFUE
- Type
- Condensing combi
- Heating
- 110,000 BTU
- Hot water
- 5.4 GPM
Get a Quote on the Navien NCB-240/110H
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Why Choose Relica Comforts?
- Licensed & insured technicians
- Upfront pricing — no surprises
- 24/7 emergency service
- Free estimates on all installations
- 5.0 stars on Google
Frequently Asked Questions
For a typical detached home it handles heat plus a couple of fixtures comfortably. If you have high simultaneous demand — multiple showers and a tub — the larger NFC-250 fire-tube model is the better fit. We size it to your real usage.
Yes — a combi makes hot water on demand, so it can replace both your boiler and your hot-water tank in one wall-mounted unit, freeing up floor space.

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