Commercial Air Conditioning & Refrigeration
One reliable contractor for small splits through to central chillers, cooling towers, and critical computer room cooling across South East Queensland.
AC down? We'll get you running again.
When your air conditioning fails, staff productivity, customer comfort, and sensitive equipment feel it immediately. JMW Air responds fast, finds the real root fault, and fixes it properly.
- Fault finding and diagnostics on all major commercial brands & niche equipment
- Refrigerant leak detection & certified recovery
- Compressor, fan motor, board, and circuit component replacement


Maintenance that prevents the breakdown.
Most major commercial breakdowns start as small undetected issues. A JMW Air maintenance plan puts a qualified technician on site on a scheduled cadence so faults are caught early and energy consumption stays low.
- Scheduled quarterly or bi-annual servicing customized to site requirements
- Coil cleaning, filter changes, electrical testing & airflow optimization
- Comprehensive written compliance reports and asset registers for building managers
Chiller and cooling tower specialists.
Central plant keeps entire commercial buildings comfortable. We service, overhaul, and repair air-cooled and water-cooled chillers, including heavy-lift screw compressor change-outs.
- Air-cooled & water-cooled chillers, 4-pipe systems & FCU networks
- Heavy-lift crane compressor replacement (screw and scroll)
- Rooftop cooling tower fill replacement & mechanical refurbishment


Cooling for sites that cannot go down.
Server rooms, computer rooms, medical MRI suites, and lift motor rooms require precise, redundant cooling. We install and maintain precision CRAC units and process refrigeration with minimal disruption to live operations.
- 30 kW & 50 kW DX CRAC unit installations in live computer rooms
- MRI suite process chillers & medical equipment climate control
- Process coldrooms, evaporators & rooftop condensing units
New equipment installed right the first time.
From a single split system to a full commercial plant fit-out, JMW Air handles the complete installation — design guidance, compliant trade work, and clean commissioning with minimal disruption to your operations.
- Split systems, cassettes, ducted & VRF/VRV commercial installs
- Rooftop condenser mounting, subframes, penetrations & weather sealing
- Full commissioning, refrigerant handling & warranty documentation

