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| Error Code | Issue | Solution |
|---|---|---|
| E1 | Thermostat issue | Recalibrate or replace thermostat |
| E3 | Low refrigerant | Check and refill refrigerant |
| E4 | High pressure error | Clean condenser coils, check airflow |
| E5 | Compressor overload | Diagnose and replace failing compressor |
| Repair Service | Estimated Cost |
|---|---|
| Diagnostic Inspection | $99 – $149 |
| Thermostat Replacement | $150 – $350 |
| Refrigerant Leak Repair & Recharge | $300 – $750 |
| Blower Motor Replacement | $400 – $900 |
| Compressor Repair/Replacement | $600 – $1,500 |
| Emergency After-Hours Repair | $150 – $300 Extra |
Metro Vancouver homes have specific requirements when it comes to central A/Cs, driven by climate, code, and the local housing stock. This page covers the essentials. Modern central A/C systems in Metro Vancouver run at 15-22 SEER2, with variable-speed inverter compressors that match output to load — eliminating the on/off cycling of older single-stage units.
Heat-pump rebates from BC Hydro, FortisBC and the federal Greener Homes program stack to as much as $11,000+ for eligible Metro Vancouver households, dramatically changing the install-cost math vs. a conventional system. CANRO has worked with central A/C systems across Metro Vancouver since 1999, including installations and service calls in Saunders, Edgemont, Maple Ridge and Westwood Plateau.
Sizing. A/C sizing in Vancouver is typically 1 ton per 600-1,000 square feet depending on insulation, windows, and orientation. Over-sized A/C is the most common error — it leads to short-cycling, poor dehumidification, and premature compressor failure.
Lifespan. A properly maintained central A/C unit lasts 12-15 years. Vancouver's coastal salt air shortens outdoor-coil life — annual coil cleaning is more important here than inland.
Warning signs. A/C issues include warm air from supply registers, water leaks from the indoor coil (clogged condensate drain), refrigerant odour (R-410A leak), and noisy compressor startup.
Annual servicing in spring keeps the outdoor coil clean, the refrigerant charge correct, and the indoor evaporator coil and condensate drain clear. Skipping service is the single biggest cause of premature compressor failure.
A/C sizing in Vancouver is typically 1 ton (12,000 BTU) per 600-1,000 sq ft depending on insulation, windows, and orientation. Over-sized A/C is the most common error — it short-cycles, dehumidifies poorly, and shortens compressor life.
R-410A is being phased down (not phased out) under EPA AIM rules. Existing R-410A systems can continue to be serviced — refrigerant remains available for the foreseeable future, though prices may rise. New systems installed 2025+ increasingly use R-32 or R-454B with lower global-warming potential.
Indoor water leaks from central A/C indicate a clogged condensate drain (most common), a failed condensate pump on attic installs, a frozen evaporator coil thawing, or a damaged drain pan. All are repairable in a single service visit.
Vancouver summers have been getting hotter — the 2021 heat dome saw temperatures over 40°C. Most modern Vancouver homes now install a heat pump (heating + cooling in one) rather than a stand-alone A/C, taking advantage of rebates available for heat pumps but not stand-alone A/C.
A typical 2.5-3 ton central A/C added to an existing forced-air furnace costs $5,500-$9,500 installed. A heat-pump conversion (cooling + heating in one unit) is usually a smarter long-term investment given available rebates.
To book Ducane central A/C 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 Saunders, Edgemont, Maple Ridge and Westwood Plateau.
This guide was written by the CANRO Heating & Cooling team based on 25+ years of central A/C installation, repair and annual service work across Metro Vancouver. Last reviewed May 2026.
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