Edmonds' post-war homes run a mix of original baseboard hydronic loops and newer radiant additions, and CANRO keeps both types running reliably.
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Hydronic heating in an Edmonds home circulates hot water from a gas boiler through baseboard radiators, common in the neighbourhood's original post-war construction, or through radiant floor loops added during a later renovation. Because so many systems here date to the same building era, age-related wear on circulator pumps and expansion tanks tends to show up in a predictable pattern across the neighbourhood.
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Edmonds' post-war homes commonly used hot water baseboard radiators as the primary heat source, a simple and durable system compared to forced air, and many of those original baseboard loops are still in service today, sometimes on a boiler that has been replaced once or twice since the house was built. Where a homeowner has renovated a basement or added living space, it's common to see a radiant floor loop added alongside the original baseboards, running off the same or an upgraded boiler.
The redevelopment happening near Edmonds SkyTrain station means the neighbourhood's housing is gradually shifting, but the detached homes that remain still lean heavily on this original hydronic baseboard approach.
Baseboard heat also tends to be simpler for a homeowner to visually inspect than a radiant floor loop, since the piping and valves running to each baseboard unit are usually exposed along the baseboard length rather than buried in a slab, which makes catching an early leak or a stuck valve somewhat easier for anyone paying attention around the house.
| Component | Role |
|---|---|
| Boiler | Heats water for the circulating loop |
| Baseboard radiators | Original heat emitters in most Edmonds homes |
| Radiant floor loop (if added) | Common in later basement or addition renovations |
| Circulator pump | Moves hot water through the system |
| Expansion tank | Manages pressure as the system heats and cools |
Baseboard radiators that heat unevenly along their length, or a section of baseboard that stays cool while the rest of the run heats normally, usually points to air trapped in that section or a partially closed valve rather than a boiler fault. On systems where a radiant floor addition shares a boiler with the original baseboards, an undersized expansion tank for the combined volume is a common cause of pressure fluctuations.
Given how many Edmonds systems date to a similar era, we also see circulator pumps reaching end of life in clusters across the neighbourhood, showing up as reduced flow, unusual noise, or a system that takes noticeably longer to reach temperature than it used to.
A newer townhome or infill build in the area is less likely to share these age-related patterns, since its hydronic system, if it has one, was installed under current code and typically runs a more compact, zoned radiant setup rather than the long original baseboard runs found in the neighbourhood's older detached homes.
Safety note
If you ever smell gas, hear a hissing sound near a gas line or appliance, or notice soot, a persistent headache, or a yellow or flickering burner flame near your boiler or water heater, leave the house immediately and call FortisBC at 1-800-663-9911 from somewhere safe. Gas piping, venting, and combustion appliances must only be installed or serviced by a Technical Safety BC licensed gas fitter.
This is usually trapped air in that section or a partially closed valve rather than a boiler fault. Bleeding the affected section typically resolves it; persistent cold spots warrant a technician's look.
Baseboard loops themselves often are original or close to it, though the boiler powering them has frequently been replaced at least once, since boilers generally have a shorter service life than the baseboard piping itself.
It can, particularly if the expansion tank wasn't resized for the combined system volume, which can show up as pressure fluctuations. A technician can confirm the tank is adequately sized after any addition.
An annual check is generally recommended, and given how many systems in this neighbourhood date to a similar era, having a technician assess circulator pump condition specifically is worthwhile.
This can indicate a circulator pump nearing the end of its service life or scale buildup inside an older boiler, both common in systems dating to Edmonds' original post-war construction.
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