Navien NCB combi boiler installation and service across Toronto and the GTA — high-efficiency heat and on-demand hot water from one compact unit. Installed by a licensed gas technician and TSSA registered contractor.
The NCB series is one of the most installed combi boilers in Ontario — and one we work with every week.
Condensing technology reaching up to 95%+ efficiency, venting through PVC. Less gas burned for the same comfort, and lower bills through the long Ontario heating season.
The NCB line delivers robust on-demand domestic hot water, so a properly sized unit keeps up with everyday household use without a storage tank.
A small wall-mounted footprint frees up floor space, and because Navien is so common here, parts and service are easy to source across the GTA.
The Navien NCB is a wall-mounted condensing combination boiler — it provides both your home's hydronic heating and your domestic hot water from a single appliance. For heating, it circulates hot water through radiators or in-floor loops; for hot water, it fires on demand the instant you open a tap, so there's no tank standing by and losing heat.
Its popularity in Ontario means two practical advantages for you: installers know the platform well, and replacement parts are widely stocked — both keep long-term ownership simple and affordable. Paired with correct sizing, clean near-boiler piping, and annual descaling, an NCB is a dependable, efficient heart for a modern home heating system.
Fixed written quotes including the unit, permit, and TSSA inspection.
| System | Price Range (Installed) |
|---|---|
| Navien NCB combi boiler installed | $6,000 – $10,500 |
| Combi conversion (remove old boiler + tank) | $6,500 – $12,000 |
| Annual maintenance & descale | $180 – $350 |
| Boiler diagnostic | $150 – $250 |
We size the right NCB model for your home and hot-water demand, then give you a fixed written price.
416-827-8676One call gets you proper sizing and a fixed written quote. TSSA-licensed and fully permitted.