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| Service | Estimated Cost |
|---|---|
| Tankless Water Heater Unit (Gas) | $1,500 – $3,500 |
| Tankless Water Heater Unit (Electric) | $800 – $2,500 |
| Installation Labor | $800 – $2,000 |
| Gas Line Modifications | $500 – $1,500 |
| Total Installation Cost | $2,500 – $7,000 |
Metro Vancouver homes have specific requirements when it comes to tankless water heaters, driven by climate, code, and the local housing stock. This page covers the essentials. A condensing tankless gas water heater in Metro Vancouver delivers endless hot water at 90%+ efficiency, fits on a wall (reclaiming 25 sq ft of floor space vs a tank), and lasts 18-22 years.
Metro Vancouver's housing stock ranges from early-1900s character homes with hydronic radiator systems to modern condos with combi boilers — equipment selection and serviceability vary dramatically by housing era. CANRO has worked with tankless water heater systems across Metro Vancouver since 1999, including installations and service calls in White Rock, Point Grey, Kerrisdale and Yaletown.
Sizing. Tankless sizing focuses on peak GPM (gallons per minute) at design temperature rise. Vancouver's 7-9°C incoming water needs about 32°C rise for typical use — most family installs need a 199,000 BTU unit.
Lifespan. Annual descaling is essential in Vancouver's moderately hard water — without it, scale build-up on the heat exchanger cuts capacity by 30% and shortens lifespan to under 10 years.
Warning signs. Tankless issues include flow-rate drops (scale), ignition lockouts (gas pressure or flame-rod fouling), condensate-trap clogs, and recirculation pump faults on units with built-in pumps.
Tankless gas water heaters cut operating cost 25-40% vs a tank because they eliminate standby heat loss. Upfront cost is higher ($3,500-$6,000 installed vs $1,800-$3,200 for a tank), but most homes recover the difference in 6-9 years on gas savings.
Yes, with proper sizing. A 199,000 BTU condensing tankless will run two showers (at typical 1.8 gpm each) simultaneously through a Vancouver winter. For larger demand (3+ showers + dishwasher), consider linked tankless units or a combi boiler with built-in DHW recirculation.
Recirculation pumps return cooled hot water from the far fixture back to the tankless, eliminating the cold-water wait. Many modern tankless units (Navien NPE-A, Noritz EZ) have built-in recirculation. Worth the upgrade for homes where the kitchen or master bath is far from the mechanical room.
A condensing tankless gas water heater installed by a qualified contractor in Metro Vancouver lasts 18-22 years with annual descaling. Without annual descaling, lifespan drops to 10-12 years.
A 199,000 BTU tankless in Metro Vancouver delivers about 5-7 gallons per minute at a 32°C temperature rise (Vancouver incoming water is ~7-9°C). That handles two simultaneous showers comfortably, or a shower plus a dishwasher.
Annually in Metro Vancouver's moderately hard water. Without descaling, scale build-up on the heat exchanger cuts capacity by 30% within 3-4 years and shortens lifespan to under 10 years. CANRO descales tankless units as part of every annual service.
To book tankless water heater service or get a free written quote for installation, call CANRO at (604) 359-1081 or email info@canroheat.ca. We service all of Metro Vancouver including White Rock, Point Grey, Kerrisdale and Yaletown.
This guide was written by the CANRO Heating & Cooling team based on 25+ years of tankless water heater installation, repair and annual service work across Metro Vancouver. Last reviewed May 2026.
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