How hydronic heating is zoned and sized across Kensington-Cedar Cottage properties that include a laneway home or basement suite alongside the main house.
Tell us what you need—we’ll call you back fast.
Quick answer
Hydronic heating in Kensington-Cedar Cottage frequently needs to serve a main house plus a laneway home or basement suite as independent zones, each with its own thermostat control, off either a shared boiler sized for the combined load or separate dedicated equipment for each unit.
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.
With laneway homes and secondary suites common on Kensington-Cedar Cottage lots, hydronic system design here often has to account for more than one household living independently on the same property. Zoning is central to making that work — each unit needs its own thermostat control so residents aren't sharing a single setpoint, which means zone valves and separate piping loops are planned in from the start whenever a new suite or laneway home is added onto an existing hydronic system.
This is different from a straightforward single-family zoning job. It also raises the question of whether tenants should have any ability to adjust heat independently, which is worth discussing with an installer given how the property is rented or occupied.
There's a genuine choice to make when a laneway home or suite is added: extend the existing hydronic system with a new zone off the main boiler, provided it has capacity, or install separate equipment dedicated to the new unit. A shared system is usually less expensive upfront and simpler to maintain as one piece of equipment, but ties the new unit's heat to the main house's boiler health and any future maintenance downtime. Separate systems cost more but give each household full independence.
| Approach | Upfront Cost | Independence | Maintenance |
|---|---|---|---|
| Shared boiler, separate zones | Lower | Partial — shared equipment risk | One system to maintain |
| Separate dedicated systems | Higher | Full | Two systems to maintain |
In-floor radiant heat is a common choice for a new laneway home build, since it can be designed into the slab from the start rather than retrofitted. For a basement suite conversion in the main house, radiant floor heat can also be added during finishing, though it depends on ceiling height and whether the existing slab can accommodate the tubing or an overlay system is needed instead.
A new hydronic boiler sized to serve a main house plus an added unit typically runs $6,500 to $14,000 or more in this region — a ballpark, not a quote — with separate dedicated systems for each unit costing more in total than one shared, correctly sized system. If you're planning a laneway home, it's worth involving a licensed heating contractor during the design phase rather than after construction, since zoning and boiler capacity decisions are much cheaper to make on paper than to retrofit into a finished slab.
Confirm current rebate program eligibility through FortisBC or CleanBC directly, since terms for high-efficiency equipment change and shouldn't be assumed from past programs.
Safety note
Any work on gas piping, the burner, the venting, or the combustion chamber must be done by a Technical Safety BC licensed gas fitter. If you ever smell gas (a rotten-egg odour) or suspect a carbon monoxide problem, leave the home immediately and call FortisBC's emergency line at 1-800-663-9911 from a safe location before calling anyone else.
Yes, provided it's sized for the combined load and each unit has its own zone with independent thermostat control. This needs to be planned during the laneway home's design phase for the best result.
It depends on your budget and how much independence you want between units. Separate systems cost more but avoid any shared-equipment risk; a shared, properly zoned system is more economical.
Often yes, though it depends on ceiling height and whether the existing slab can be excavated for embedded tubing, or whether an overlay system makes more sense instead.
Yes, zoning allows each unit to have independent thermostat control even when served by one shared boiler, which is the standard approach for these multi-household properties.
As early as possible in the design phase. Zoning, boiler capacity, and radiant floor planning are much easier and cheaper to build in from the start than to retrofit afterward.
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.