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Most furnace failures happen at the awkward middle — too expensive to ignore, not obviously old enough to replace. Heres the CANRO decision framework.
Free in-home consultation. Free written quote. TSBC-licensed installers. Call (604) 359-1081 or request a quote online.
If repair cost is more than 50% of replacement AND the furnace is over 10 years old: replace. Otherwise: repair.
5 years old, $600 repair: Repair (any reasonable repair worth it on a young unit). 10 years old, $1,000 repair: Repair (under 50% of $6k replacement). 15 years old, $1,500 repair: Borderline — depends on overall condition and gas bills. 18 years old, $1,800 repair: Replace. 22 years old, $1,000 repair: Replace (past expected lifespan).
Fresh 5-10 year warranty. FortisBC $300-$1,000 rebate. $200-$400/year gas savings vs old 80% AFUE. Modern controls and (often) variable-speed blower. Reset the repair clock.
Lower immediate cash outlay. No install disruption. Same operating cost as before. Often another failure within 2-3 years on aged units.
Old 15-year furnace, current $1,500 repair: Repair path: $1,500 + $3,000 future repairs + $14,000 gas = $18,500. Replace path: $6,500 install (after rebate) + $500 repairs + $11,500 gas = $18,500. Replace usually wins in years 11-15 of comparison via continued savings.
Free in-home consultation. TSBC-licensed technicians. FortisBC rebate paperwork handled.
📞 (604) 359-1081 Request a quoteCANRO Heating & Cooling — TSBC Class-A gas-fitting licence · Red Seal HVAC certified · WorkSafeBC and liability insured · 4.9★ from 85+ Google reviews · Serving Metro Vancouver since 1999.
CANRO Heating & Cooling — TSBC Class-A gas-fitting licence · Red Seal HVAC certified · WorkSafeBC and liability insured · 4.9★ from 85+ Google reviews · Serving Metro Vancouver since 1999.
If you are considering furnaces, this guide walks through the key technical and practical points specific to Metro Vancouver. A modern high-efficiency gas furnace in Metro Vancouver operates at 95-98% AFUE, modulating its burner output between 40% and 100% to match demand. Vancouver's mild climate means short, frequent run cycles, which favours variable-speed ECM blowers and two-stage or modulating gas valves.
BC's building code, TSBC gas-fitting rules, and FortisBC's natural-gas service standards together govern every HVAC installation in Metro Vancouver — CANRO works under permit and inspection on every gas-appliance install. CANRO has worked with furnace systems across Metro Vancouver since 1999, including installations and service calls in Metrotown, Yaletown, Sullivan and Edmonds.
Sizing. Proper furnace sizing requires a Manual J load calculation — most Vancouver homes need 50,000-90,000 BTU, but oversized furnaces short-cycle, accelerate component wear and produce uneven temperatures.
Lifespan. A well-maintained high-efficiency gas furnace lasts 15-20 years in Vancouver. The single biggest factor in lifespan is annual professional servicing — combustion analysis, condensate trap cleaning, and igniter inspection prevent 80% of mid-life failures.
Warning signs. A failing furnace usually announces itself: short-cycling, yellow flame (should be blue), rising gas bills, uneven heating between rooms, banging on startup, or persistent error codes on the control board.
Two-stage furnaces (high/low burner) are a good fit for most Vancouver homes — they cut short-cycling and run quieter than single-stage units. Modulating furnaces (continuously variable burner output) are worth the premium in larger homes (3,000+ sq ft), homes with significant temperature zones, or homes prioritising the absolute quietest operation.
A typical residential high-efficiency gas furnace installation in Metro Vancouver costs $4,500-$8,500 including the equipment, venting, gas-line work, permit, electrical, and removal of the old unit. Variable-speed and modulating models are at the upper end. CANRO provides three quote tiers (good/better/best) so you can choose the right balance for your home and budget.
Yes — for most Metro Vancouver homes, a cold-climate heat pump alone provides 100% of heating needs down to -10°C. Some homeowners choose a dual-fuel setup (heat pump + small gas furnace as back-up for the rare deep cold snap), but this is rarely necessary in our climate.
Short-cycling typically indicates one of: an over-sized furnace for the home, a dirty flame sensor, a clogged condensate drain triggering shutdown, low gas pressure, a failing limit switch, or a thermostat located in a non-representative spot (in direct sunlight, near a vent). All are diagnosed quickly during a service call.
Yes. Annual professional servicing catches 80% of mid-life failures before they cause a no-heat call. It also keeps manufacturer warranties valid — most are voided by missing scheduled maintenance. The service includes combustion analysis, heat-exchanger inspection, flame-sensor cleaning, blower-motor check, condensate-trap clearing, and a full safety test for carbon monoxide.
For Metro Vancouver homes, 95-97% AFUE is the sweet spot — high enough to qualify for FortisBC rebates and capture nearly all available efficiency gains, but without paying a premium for the very last 1-2% from 98% AFUE modulating units. ENERGY STAR-certified models above 95% AFUE are required for current rebate programs.
To book furnace 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 Metrotown, Yaletown, Sullivan and Edmonds.
This guide was written by the CANRO Heating & Cooling team based on 25+ years of furnace installation, repair and annual service work across Metro Vancouver. Last reviewed May 2026.
“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.