Contactor Replacement Cost — AC & Heat Pump (Canada, 2026)
Estimated $150–$620 CAD for a contactor replacement in Canada, depending on the HVAC system and the exact fault. Built from 6 sourced repair jobs across 3 HVAC types — each row keeps its own sources. Reviewed July 2026.
What a contactor replacement costs, by HVAC and fault Estimated
Each row is a real sourced repair job whose description matched this part. Parts and total are that job's own national range — follow the problem link to localize it to your area.
| HVAC | Problem | Repair | Parts | Total | DIY |
|---|---|---|---|---|---|
| Central Air Conditioning | Not cooling / blowing warm air | Contactor / relay replacement | $20–$100 CAD | $175–$450 CAD | DIY possible |
| Central Air Conditioning | Won't turn on / no power | Contactor replacement | $20–$100 CAD | $175–$450 CAD | DIY possible |
| Central Air Conditioning | Contactor / relay replacement | Contactor / relay replacement | $20–$100 CAD | $175–$450 CAD | DIY possible |
| Heat Pump | Not cooling | Contactor replacement | $20–$120 CAD | $150–$400 CAD | DIY possible |
| Heat Pump | Short cycling (turns on and off) | Failing start component or pressure-switch replacement (run capacitor, contactor, hard-start kit, low/high-pressure switch) | $40–$250 CAD | $180–$450 CAD | Pro recommended |
| Thermostat & Controls | Heating or cooling won't shut off | Welded contactor, stuck relay or seized zone-valve actuator replacement | $50–$320 CAD | $200–$620 CAD | Pro recommended |
Base: published rates from 16 Canadian repair companies · National base ranges — localize any figure on its linked problem page · Reviewed July 2026 · Estimated
Related HVAC cost guides
The full cost guide for each HVAC system a contactor replacement shows up in:
Estimated national ranges aggregated from the linked problem pages — no per-page localization is applied here. See the methodology for the localization method and named sources.
Reviewed by a Red Seal–certified appliance technician who also holds a Technical Safety BC gas ticket (Gas-C) and an ODS/halocarbon refrigerant ticket (CFC/HCFC/HFC).