What a Navien NCB-H boiler replacement looks like for a Port Coquitlam home, from assessment through permit to install day.
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Quick answer
A Navien NCB-H replacement in Port Coquitlam typically gets scheduled once a unit past 12–15 years needs a major component like a heat exchanger, or after repeated repairs on an older system. The job runs from a home assessment to a City of Port Coquitlam gas permit to a one-to-two-day install, priced as a 2026 ballpark confirmed on site.
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The trigger is almost always cost math: a repair quote that's crept close to what a new install would run, or a second breakdown in a year on a boiler already past a decade old. In the older bungalow neighbourhoods around Lions Park, we also see replacement driven by an added basement suite that's outgrown what the original boiler was ever meant to handle — replacing gives the chance to size correctly rather than patch a mismatch.
Basements near the Coquitlam River can run damper through the wet months, which matters for the material and routing chosen for the new venting. On the hillside newer builds, mechanical rooms are usually more accessible, which keeps install day more predictable. Older homes with additions or converted suites sometimes need extra time during the assessment to confirm gas line capacity is adequate for the new unit.
Because PoCo's post-war housing stock means a lot of boilers here are now reaching 20-plus years, replacement calls in this area are as often driven by age as by a single dramatic failure — worth planning for before the coldest stretch of winter rather than during it.
A new boiler install runs $6,500–$14,000+, and a full system replacement runs $7,500–$15,000+, depending on venting work, gas line changes, and access. These figures are a 2026 public-market ballpark, not a quote — CANRO confirms the number after an in-home assessment.
| Scope | Ballpark |
|---|---|
| New boiler install | $6,500–$14,000+ |
| Full system replacement | $7,500–$15,000+ |
| Gas permit | $75–$200 |
If your household has grown, or a suite has been added since the original boiler went in, the assessment is the time to flag it — a combi unit sized for the home's actual current hot-water demand avoids the same repeat-repair pattern that likely brought you to a replacement decision in the first place.
It's also worth walking through where the mechanical room sits relative to exterior walls, since a boiler tucked into an interior closet behaves differently through a hard freeze than one on an exterior wall. In older Port Coquitlam homes where the mechanical room was never meant to house a combi boiler in the first place, a technician may recommend small changes to clearances or insulation as part of the job, rather than just dropping the new unit in the same spot without a second look.
Booking a replacement in fall, ahead of the first real cold snap, gives more flexibility on timing than waiting for a January breakdown when every crew in the region is stretched thin on emergency calls. It also means the permit and any venting review can happen without the pressure of a household going without heat.
Safety note
If you smell gas, hear a rumbling or banging noise from the boiler, or notice soot near the flue outlet, get everyone out of the house first and call FortisBC's line at 1-800-663-9911. Don't keep cycling the reset button on a unit that keeps shutting itself down.
A straightforward swap is usually one day; jobs needing new venting or gas line work can run two.
Yes, any gas and venting work needs a permit through the City of Port Coquitlam, pulled before the job starts.
It can. The in-home assessment accounts for total hot-water and heating demand, including any added suite, before sizing the new unit.
For a unit past 15 years with rising repair costs, replacing on your own schedule usually beats waiting for a mid-winter failure.
Yes, removal and disposal of the old unit is part of the install.
That's assessed up front and factored into the quote and permit before install day, so there are no surprises partway through the job.
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