Commercial refrigeration • CO₂ systems • Cold rooms • Freezer rooms • Maintenance
Refrigeration services

Commercial refrigeration services from room to plant.

Design support, installation, commissioning, corrective repairs and planned maintenance for CO₂ systems, cold rooms, freezer rooms, commercial cabinets, compressors and controls.

Topworks refrigeration technicians maintaining commercial evaporator units
Service catalogue

Choose the equipment or support required.

Final service scope depends on equipment design, site access, parts availability and the findings of the assessment.

Technician inspecting a commercial CO2 refrigeration compressor rack
Natural refrigerant systems

CO₂ refrigeration services

Design, installation, commissioning, repairs, maintenance, controls, retrofits and safety support for commercial and industrial CO₂ systems.

Explore CO₂ services
Commercial refrigeration

Commercial refrigeration

Cabinets, counters, displays and food-service refrigeration equipment.

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Cold-room installation

Cold-room installation

Insulated rooms, evaporators, condensing units, pipework, controls and commissioning.

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Cold & freezer rooms

Cold & freezer rooms

Fault diagnosis, temperature, defrost, airflow, doors, panels and system support.

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Cold-room repairs

Cold-room repairs

Corrective work for rooms not cooling, icing, alarms, leaks and component faults.

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Walk-in freezer repairs

Walk-in freezer repairs

Low-temperature room diagnostics, defrost checks, door heaters and refrigeration repairs.

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Compressor replacement

Compressor replacement

Assessment, replacement planning, refrigerant circuit work and commissioning.

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System upgrades

System upgrades

Plant improvements, controls, component changes and capacity review.

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Leak detection & repairs

Leak detection & repairs

Leak investigation, pressure testing, repair, evacuation and recharge where approved.

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Preventive maintenance

Preventive maintenance

Scheduled cleaning, inspection, measured checks and recommendations.

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Maintenance contracts

Maintenance contracts

Planned service arrangements for critical commercial refrigeration assets.

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Ice machines

Ice machines

Inspection, cleaning, fault diagnosis and selected component repairs.

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Chillers & cooling plant

Chillers & cooling plant

Support for selected chillers and related process-cooling equipment.

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Technical coverage

Key areas considered during refrigeration work.

Room construction

Insulated panels, joints, vapour sealing, floors, doors and penetrations.

Refrigeration circuit

Compressors, condensers, evaporators, expansion devices and refrigerant pipework.

Electrical & controls

Protection, contactors, controllers, sensors, alarms and defrost functions.

Airflow & operation

Fan operation, coil condition, loading, setpoints and temperature performance.

Before attendance

Information that improves the first review.

Equipment identity

Brand, model, serial number and a photo of the complete unit.

Operating condition

Current temperature, setpoint, alarms and when the problem started.

Site information

Town, access restrictions, opening hours and contact person.

Previous work

Recent repairs, refrigerant added, parts replaced or repeated faults.

Discuss your refrigeration requirement.

Send the equipment details, site location and photographs for an initial review.

WA
Call 011 178 6902Request service