Control Board Replacement Cost — Furnace, Boiler & More (Australia, 2026)
Estimated $300–$2,200 AUD for a control board replacement in Australia, depending on the HVAC system and the exact fault. Built from 7 sourced repair jobs across 4 HVAC types — each row keeps its own sources. Reviewed July 2026.
What a control board 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 |
|---|---|---|---|---|---|
| Gas Furnace | Not heating / blowing cold air | Ignition control board (PCB) replacement | $221–$729 AUD | $480–$950 AUD | Pro recommended |
| Gas Furnace | Won't turn on / no power | Control board (PCB) replacement where the unit is completely dead | $221–$729 AUD | $480–$950 AUD | Pro recommended |
| Central Air Conditioning | Won't turn on / no power | Failed control PCB (main board) replaced in the ducted indoor or outdoor unit | $170–$850 AUD | $420–$1,400 AUD | Pro recommended |
| Thermostat & Controls | Wrong temperature reading / miscalibrated | Replace the wall controller where its on-board thermistor has drifted | $250–$430 AUD | $350–$550 AUD | Pro recommended |
| Thermostat & Controls | Zone control board / damper repair | Replace the zone control module or board (MyAir control box, ZoneSwitch-style module) | $215–$900 AUD | $500–$1,400 AUD | Pro recommended |
| Thermostat & Controls | Heating or cooling won't shut off | Indoor PCB / control board replacement where the board no longer drops its output | $180–$700 AUD | $300–$1,100 AUD | Pro recommended |
| Air Handler | Control board replacement | Inverter control board plus filter board or wall controller replaced together on a premium ducted system | $350–$1,500 AUD | $800–$2,200 AUD | Pro recommended |
Base: 1 published national repair-cost guide (full source registry on the methodology page), published rates from 47 Australian 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 control board 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).