Ducted Air Conditioning Repairs & Maintenance

Ducted HVAC service

Ducted Air Conditioning Repairs & Maintenance

Ducted systems depend on the air-conditioning unit, filters, fan, drain, ductwork, grilles and controls. A problem in any of these areas can cause poor room temperatures or excessive noise.

Service scope

Practical repairs for residential, commercial and industrial systems

Ducted systems depend on the air-conditioning unit, filters, fan, drain, ductwork, grilles and controls. A problem in any of these areas can cause poor room temperatures or excessive noise.

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Airflow diagnosis

Fan, filters, coils, dampers, ducts and grilles.

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Ducted-unit service

Accessible unit, coil, filters, pan and drain maintenance.

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Controls & zoning

Thermostats, sensors, zone controls and communication.

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Condensate repairs

Drain blockage, pan leaks, pumps and insulation.

Motor & electrical faults

Fan motors, capacitors, boards, contactors and wiring.

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Commercial maintenance

Planned servicing for offices, homes and business premises.

Topworks technician carrying out HVAC service

Faults investigated

Problems our technicians diagnose

  • Some rooms remain hot while others are cold
  • Airflow is weak at the grilles
  • Ducted unit is noisy
  • Water leaks near the ceiling or unit
  • Thermostat does not control temperature
  • Outdoor unit trips or does not run
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Diagnosis before replacement

How the service is handled

We check the indoor unit and outdoor system together with accessible filters, ducts, grilles and controls. The repair scope identifies whether the issue is airflow distribution, equipment failure, drainage, electrical control or refrigeration performance.

  • Clear fault assessment
  • Written quotation before major work
  • Testing after repair or service
  • Maintenance recommendations where relevant

Information to send when booking

Share the location, equipment brand, model if visible, system type, fault symptoms, when the problem started and photographs of the indoor and outdoor equipment.

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Indicative 2026 pricing

Service price guide

These ranges show typical starting points. The final quotation depends on system size, access, parts, refrigerant and the fault found.

ServiceIndicative priceTypical inclusion
Ducted diagnostic call-outR1,200–R2,000Initial unit and airflow assessment
Ducted system serviceR1,500–R3,500Accessible filters, coil, drain and checks
Thermostat / control diagnosisR950–R2,500Parts excluded
Fan-motor repair labourR1,500–R3,500Motor and parts excluded
Ductwork assessmentSite quoteDepends on access and system size

Pricing note: Prices are 2026 estimates for standard access and are confirmed in writing after inspection. Spare parts, refrigerant quantity, cranes or access equipment, electrical upgrades, travel outside core service areas and VAT may be additional unless specifically included in the quotation.

View the complete aircon and HVAC price list →

Customer questions

Frequently asked questions

Why are some rooms not cooling on a ducted system?

Possible causes include closed or damaged dampers, leaking or undersized ducts, dirty filters, weak fan performance, poor balancing or insufficient system capacity.

Do you clean ductwork?

Accessible duct inspection and selected cleaning can be assessed. Full duct-cleaning requirements depend on duct construction, contamination and access.

Can a thermostat cause poor cooling?

Yes. Incorrect settings, sensor position, control faults or zoning problems can affect system operation.

How often should ducted systems be serviced?

Commercial systems often need quarterly or six-monthly service; residential frequency depends on use, filters and environment.

Do you repair ducted inverter systems?

Yes. Electrical, control, airflow and refrigerant faults can be diagnosed, subject to parts support.

Book an air-conditioning inspection

Send the equipment type, brand, location and fault description for a faster response.

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