Product Overview

Summary: This Air Conditioning System Check Safe Operating Procedure provides a clear, step‑by‑step method for safely inspecting, testing and maintaining workplace air conditioning systems. It helps Australian businesses manage WHS risks linked to poor air quality, electrical hazards and plant maintenance while supporting energy efficiency and regulatory compliance.

Effective air conditioning is critical for worker comfort, productivity and health, but poorly maintained systems can quickly become a WHS liability. This Safe Operating Procedure sets out a structured, repeatable process for conducting routine air conditioning system checks in commercial and industrial workplaces across Australia. It covers pre‑inspection planning, safe isolation of plant, visual and functional checks, filter and coil inspections, condensate management, basic electrical and mechanical checks, and documentation of findings.

By implementing this SOP, organisations create a consistent benchmark for how air conditioning systems are inspected and maintained, regardless of who is on shift or which contractor is engaged. The document helps businesses control hazards such as electrical shock, slips from condensate leaks, exposure to biological contaminants, and working at height when accessing rooftop units. It also supports compliance with Australian Standards and WHS legislation by embedding risk assessment, lock‑out/tag‑out principles, and clear escalation pathways when defects are identified. The result is safer plant, better indoor air quality, fewer unplanned breakdowns and a transparent audit trail that demonstrates due diligence.

Key Benefits

• Ensure safe, consistent inspection of air conditioning systems in line with Australian WHS expectations.
• Reduce the risk of electrical incidents, slips, trips and exposure to biological contaminants associated with poorly maintained HVAC plant.
• Improve indoor air quality and thermal comfort, supporting worker health, productivity and occupant satisfaction.
• Extend equipment life and reduce unplanned outages through structured, preventative checks and early fault detection.
• Streamline maintenance workflows with clear checklists, documentation requirements and escalation procedures for defects.

Who is this for?

• Facilities Managers
• Maintenance Supervisors
• HVAC Technicians
• Building Managers
• Property Services Contractors
• WHS Managers
• Operations Managers
• School and Campus Facilities Coordinators
• Aged Care and Healthcare Engineering Managers

Hazards Addressed

• Electrical shock or arc flash from live components and switchboards
• Falls from height when accessing rooftop units or ceiling spaces
• Slips and trips from condensate leaks or water pooling
• Exposure to mould, bacteria and other biological contaminants in filters, coils and ductwork
• Manual handling injuries from lifting panels, filters and components
• Contact with rotating parts such as fans and belts
• Heat stress when working in plant rooms or roof spaces in hot conditions

Included Sections

• 1.0 Purpose and Scope
• 2.0 Definitions and System Types Covered
• 3.0 Roles, Responsibilities and Competency Requirements
• 4.0 Applicable Legislation, Standards and Codes of Practice
• 5.0 Required Tools, Test Instruments and Personal Protective Equipment (PPE)
• 6.0 Pre-Start Safety Checks and Risk Assessment (including JSA/SWMS reference)
• 7.0 Isolation, Lock-out/Tag-out and Access Control Procedures
• 8.0 Step-by-Step Air Conditioning System Check Procedure
• 8.1 Visual Inspection of Indoor and Outdoor Units
• 8.2 Filter, Coil and Condensate Tray Inspection and Cleaning Checks
• 8.3 Fans, Belts, Motors and Mechanical Component Checks
• 8.4 Electrical Connections, Controls and Safety Devices Checks
• 8.5 Refrigerant Line, Insulation and Leak Observation Checks
• 8.6 Operational Testing and Performance Observations
• 9.0 Working at Height and Roof Access Requirements
• 10.0 Biological Contamination and Indoor Air Quality Considerations
• 11.0 Defect Identification, Tagging and Escalation Process
• 12.0 Documentation, Checklists and Recordkeeping Requirements
• 13.0 Environmental and Waste Management (filters, condensate, cleaning agents)
• 14.0 Emergency Procedures and Incident Response
• 15.0 Training, Induction and Review of Procedure
• 16.0 Revision History and Document Control

Legislation & References

• Work Health and Safety Act 2011 (Cth) and harmonised state and territory WHS Acts
• Work Health and Safety Regulations 2011 (Cth) and equivalent state and territory regulations
• Safe Work Australia – Managing the Work Environment and Facilities Code of Practice
• AS 3666.1: Air-handling and water systems of buildings – Microbial control – Design, installation and commissioning
• AS 3666.2: Air-handling and water systems of buildings – Microbial control – Operation and maintenance
• AS/NZS 5141: Residential air conditioning – Minimum applications and requirements (as guidance for smaller systems in workplaces)
• AS/NZS 3000: Electrical installations (Wiring Rules) – for electrical safety considerations
• AS/NZS ISO 45001: Occupational health and safety management systems – Requirements with guidance for use