A Lennox furnace installed in a Maple Ridge home is only as good as the sizing and venting work behind it, especially on the district's newer, larger lots.
Tell us what you need—we’ll call you back fast.
Quick answer
CANRO installs Lennox residential natural-gas furnaces in Maple Ridge, sizing the unit to the home's actual heat loss rather than swapping in whatever size was there before. The job includes gas line work, venting matched to the furnace's efficiency category, a dedicated blower electrical connection, a City of Maple Ridge mechanical permit, and startup combustion testing. Newer, larger homes in areas like Silver Valley often need more duct and vent planning than a straightforward bungalow swap in an older part of the district.
Need a licensed gas fitter for your gas furnace? Call CANRO at (604) 359-1081 — residential natural-gas heating and hot water across Metro Vancouver since 1999.
Maple Ridge covers a wide range of housing stock, and that shows up in the furnace calls CANRO gets. Newer two-storey homes on the district's hillside subdivisions tend to have vaulted ceilings, more window area, and open-concept main floors that change how heat moves through the house compared to the smaller, boxier bungalows and split-levels closer to the older town centre. A Lennox furnace comes in a range of output sizes, and getting the right one starts with calculating the home's actual heat loss — square footage, insulation, glazing, ceiling height — not copying the number off the old nameplate.
Oversizing is the mistake we correct most often on newer builds. A furnace that's too big for the house satisfies the thermostat quickly and shuts off before warm air has really worked its way through every room, so a bedroom over the garage or a bonus room above stays noticeably cooler than the main floor. A furnace sized to the actual load runs longer, gentler cycles and heats the whole house more evenly, upstairs included.
Undersizing tends to show up in the opposite way: the furnace runs almost non-stop through a cold snap and the house still can't quite hold its setpoint. We see this on some of the older homes where a furnace was replaced years ago with whatever unit was on the truck that day rather than one matched to the space.
Replacing a furnace is more than unbolting the old cabinet and bolting in the new one. Our technicians disconnect and cap the existing gas line safely, remove the old furnace, and assess the venting — a standard-efficiency furnace vents through metal flue pipe, while a higher-efficiency condensing furnace vents through PVC and needs a condensate drain run to an approved discharge point. If the new furnace's venting category is different from the old one, that vent run gets redone to current code rather than reused as-is.
Return air and supply ductwork often need small adjustments where the new cabinet's dimensions differ from the old unit, and the blower gets its own dedicated electrical circuit and disconnect. Once the furnace is physically set, we run a gas pressure and combustion test, check static pressure against the existing duct system, and confirm the thermostat calls for heat correctly before we consider the job finished.
CANRO sources and installs Lennox residential gas furnaces the same way we handle the other major brands we carry — we're not claiming to be a Lennox-authorized or factory dealer. What we can tell you is that our licensed gas technicians handle the sizing, the install, and the commissioning, and stand behind our own workmanship. Lennox is generally recognized in the market for offering a wide span of efficiency tiers, but we never quote a specific AFUE figure or model line without you having the manufacturer's own documentation in hand — that's between you and the paperwork that comes with the unit.
If a Lennox furnace is already what you have in mind, that's a fine starting point, but our first step is always the same regardless of brand: measure the house, talk through venting and duct condition, and size the recommendation to what your home actually needs.
A good share of Maple Ridge's newer growth has gone up on hillside terrain in areas like Silver Valley, where lots slope, tree cover is heavier, and homes often sit closer to a wooded setback than a standard flat city lot elsewhere in the region. That changes where a furnace vent termination can go — clearances from windows, eaves, property lines and combustible siding all have to be respected, and a heavily treed lot sometimes limits the practical options more than the manufacturer's minimum spacing chart alone would suggest.
Maple Ridge also runs a touch colder in winter than the immediate coast, with more frost and the occasional snow event tied to its position further up the Fraser Valley away from the moderating effect of the ocean. On exterior-wall vent terminations, that means paying closer attention to freeze clearance and termination height above expected snow accumulation than you'd need on a milder coastal lot.
A Lennox furnace installation in a Maple Ridge home typically falls in the range of $4,500 to $9,500 or more, as a ballpark rather than a quote. Where a job lands in that range depends on furnace size, whether the venting category is changing, how much duct rework is needed, and how accessible the mechanical space is. Our office confirms an actual number after a short in-home assessment rather than over the phone.
Most single-furnace residential installs are completed within a day, with the City of Maple Ridge mechanical inspection scheduled shortly after. We walk you through the new thermostat and filter location before we leave the job site.
Whether your furnace failed outright or you're planning ahead of the next cold stretch, our office starts by asking about your home's size, the age of the current furnace, and any venting or ductwork concerns you already know about. From there we book an in-home assessment, which is where we take real measurements and give you a firm number instead of a phone-quote guess.
Safety note
Gas line work, venting changes and combustion testing on a new furnace installation must be carried out by a licensed gas technician; CANRO's technicians hold Technical Safety BC gas licence LGA0043870. If you ever smell gas in or around your Maple Ridge home, leave immediately and call FortisBC's emergency line at 1-800-663-9911 from a safe location.
Yes. We install Lennox residential natural-gas furnaces across Maple Ridge, from the hillside subdivisions to the older streets closer to Haney, sizing each install to the specific home.
You can ask for it, but we calculate heat loss for your specific home before recommending a size. Matching the old nameplate can leave you with the same uneven heat or short-cycling problem you started with.
Yes, a mechanical permit from the City of Maple Ridge is required for furnace replacement, and the work has to pass inspection. CANRO pulls the permit and books the inspection as part of the job.
Most single-furnace residential replacements are finished in a day. A job that involves a full venting change or significant duct rework can take longer.
Lennox makes furnaces across a range of output sizes suited to larger homes, but the right size depends on your home's heat loss and duct system, which we assess before recommending a specific unit.
We disconnect it safely, cap the gas line, and remove it from the property as part of the installation job.
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.