Certified Rinnai service for combi boilers and tankless water heaters—reliable heat and endless hot water, expertly maintained.
⏱️ Same-day response · Next-day appointments for non-emergency work
Tell us what you need—we’ll call you back fast.
Rinnai is a leader in tankless and combi technology. We service the i-Series combi boilers and the full tankless range, descale for performance, clear error codes, and install with code-correct gas and venting throughout Metro Vancouver.

Not sure of your model? We service the full Rinnai range—just tell us what you have.
Rinnai condensing boilers — including the popular E-Series and Q-Series wall-hung units — are built around sustained combustion efficiency in the 95–98% AFUE range, which translates directly to lower FortisBC gas bills during Vancouver's long, damp heating season. Their modulating burners (typically 11:1 or higher turndown ratios) match output precisely to demand, so older Vancouver homes with oversized distribution systems or radiant-floor zones do not experience the short-cycling that wastes fuel and accelerates wear on a conventional boiler.
For Metro Vancouver's dense housing stock — concrete condos, townhomes, and pre-1990 houses converting from electric baseboard — Rinnai's compact wall-hung footprint and dual-pipe PVC venting give installers genuine flexibility. Combustion air and exhaust run concentric or side-by-side through an exterior wall without needing a masonry chimney, which matters greatly in heritage homes and suites where routing a flue is otherwise disruptive. CANRO technicians also verify that Rinnai units are correctly matched to existing baseboard, radiator, or in-floor systems; the lower supply-water temperature range of condensing boilers requires compatible emitters to achieve rated efficiency. Explore our full range of boiler services to see how we handle system design alongside equipment supply.
Rinnai boilers are reliable, but Vancouver's water chemistry and installation habits produce predictable failure patterns. Hard-to-soft water variation across Metro municipalities contributes to scale build-up on heat exchangers, which triggers high-limit shutdowns and eventually error codes pointing to overheating or flow faults. CANRO technicians carry borescopes and combustion analysers to distinguish a dirty heat exchanger from a failing circulation pump or a closed zone valve — two causes that produce similar symptoms but entirely different repairs.
Ignition and flame-sensing faults are another recurring category. Rinnai's ionisation rod and igniter assembly can degrade over time, particularly in systems where condensate drainage is slow and humidity inside the cabinet is elevated. A Red Seal technician at CANRO will clean or replace the igniter, verify condensate neutraliser function, and confirm flue gas CO2 is within Rinnai's specified combustion window before clearing the fault. For intermittent lockouts that self-reset, we log fault history from the onboard diagnostics rather than guessing — Rinnai's error-code architecture gives precise direction when read correctly. If your boiler is repeatedly locking out, book a call through our contact page before the problem compounds into a heat-exchanger warranty claim.
Planning a heat-pump upgrade? Check current BC Hydro, Better Homes BC and utility program requirements before installation. The Canada Greener Homes Grant and Loan are closed to new applications. Eligibility and permitted combinations depend on the program; confirm approval before relying on funding.
“Canro does an amazing job! Super professional and skilled with everything—boilers, furnaces, and AC. Always a pleasure working with them!”

“Five stars for Canro. We needed a replacement of a 30-year-old boiler. A new high-efficiency unit was installed—clean, professional work.”

“I can’t speak highly enough about George, who was recommended for a boiler service call for my parents’ home. George is excellent.”

We’re factory-trained across every major brand. Explore another, or call and we’ll handle whatever you have.
Tell us what’s going on. Most calls are answered the same business day.
A licensed tech diagnoses the issue and gives you honest options—no surprises.
We do the work cleanly, walk you through it, and handle any rebate paperwork.
25+ years keeping Metro Vancouver homes comfortable. Honest advice, upfront pricing, work that lasts.