Marpole's postwar baseboard systems and its growing wave of infill and multiplex construction each call for their own hydronic design approach.
Tell us what you need—we’ll call you back fast.
Quick answer
Hydronic heating in Marpole typically involves either an older postwar home with baseboard convectors fed by a gas boiler, or newer infill construction, increasingly common as the neighbourhood sees more multiplex and duplex development, with radiant floor heating designed into the build. Sizing and zoning differ significantly between the two, and a licensed technician needs to calculate heat loss specific to the home rather than assume a standard approach works everywhere.
Need a licensed gas fitter for your hot water / boiler? Call CANRO at (604) 359-1081 — residential natural-gas heating and hot water across Metro Vancouver since 1999.
Marpole's postwar housing stock overwhelmingly relied on baseboard convector heating fed by a gas boiler, often with a single zone covering the main floor and sometimes a second zone for an upstairs addition. As the neighbourhood has seen a wave of infill and multiplex construction in recent years, replacing older single-family lots, newer builds are far more likely to be designed with radiant floor heating from the outset.
These two systems behave quite differently. Baseboard heat responds fairly quickly to a thermostat call, while radiant floors, with their greater thermal mass, take longer to warm and cool, which is expected rather than a fault.
In an older Marpole bungalow, uneven room temperatures are most often a balancing issue, where one baseboard loop gets more flow than another relative to its length. Adjusting balancing valves, where present, or confirming the circulator pump provides adequate overall flow usually resolves persistent hot-and-cold complaints.
Trapped air is another common and simple cause of a cold section of baseboard, generally fixed by bleeding the loop at its highest point.
| Consideration | Why It Matters |
|---|---|
| Heat loss calculation | Must reflect the new build's actual insulation and window specs |
| Zoning by floor | Multi-level infill often benefits from separate zones per floor |
| Mixing valve sizing | Radiant loops need lower supply temperature than baseboard |
| Circulator sizing | Must match total loop length across all zones |
A properly designed radiant system in new Marpole construction, with correct heat loss calculations and zoning from the start, generally performs more evenly and efficiently than retrofitting radiant heat into an older layout after the fact.
If you're finishing a basement in an older Marpole home and want radiant floor heat down there while keeping baseboard upstairs, the new zone needs its own mixing valve and ideally its own circulator, tied into the existing boiler only if it has enough spare capacity. Skipping this step is the most common reason a newly added radiant zone never gets properly warm.
A number of Marpole's older bungalows sit on shallow crawlspaces rather than full basements, and because much of the neighbourhood occupies lower, flatter ground near the Fraser River's north arm, these crawlspaces tend to hold more ambient moisture than crawlspaces in higher parts of Vancouver. Distribution piping running through a damp crawlspace corrodes faster at joints and fittings than piping in a dry, well-ventilated mechanical room.
If your baseboard system has a loop running through a crawlspace and that zone has become noticeably less reliable over time, more frequent air locks, slower warm-up, it's worth having a technician inspect the piping in that space specifically rather than assuming the issue lies with the boiler itself.
Adding a new hydronic zone, whether that's radiant floor tubing in a renovated basement or a baseboard loop for an addition, generally requires a permit through the City of Vancouver, since it involves gas-fired equipment and new piping tied into the home's heating system. This is worth budgeting time for when planning a renovation timeline, since inspections are typically scheduled at specific stages of the work.
A licensed technician handles the permit application as part of the installation and coordinates the required inspection, which confirms the new zone's piping, valves, and any gas connections meet current code before it's covered up behind drywall or flooring.
Safety note
If you ever smell gas, notice a persistent odour near a gas boiler, hear a hissing sound at a gas line, or a carbon monoxide alarm sounds, leave the home immediately and call FortisBC at 1-800-663-9911 from outside. Do not try to locate the leak yourself, and do not operate light switches, phones, or appliances inside the home until it has been cleared safe.
This is usually a balancing issue between loops, or trapped air restricting flow in one section. A technician can adjust balancing valves or bleed the affected loop to resolve it.
Yes, as more multiplex and infill construction replaces older single-family homes, radiant floor heating is increasingly designed in from the start rather than added later.
Generally yes, provided the new zone gets its own mixing valve and circulator, and the boiler has enough spare capacity. A technician can confirm this before installation.
Gradual warming over roughly 30 to 60 minutes is normal given the thermal mass involved. If it's taking much longer or never fully warms, the mixing valve or flow should be checked.
An annual check of pressure, circulator function, and zone valves is standard, ideally scheduled before the heating season begins.
Family-run, TSBC-licensed (gas LGA0043870 · boiler LBP0046450), serving Metro Vancouver homes since 1999. Residential, natural gas only.
Call (604) 359-1081 Email info@canroheat.ca“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.”
25+ years keeping Metro Vancouver homes comfortable. Honest advice, upfront pricing, work that lasts.