BlueSafe
Air Conditioning Refrigerant Handling and Re-Gassing Risk Assessment

Air Conditioning Refrigerant Handling and Re-Gassing Risk Assessment

  • • 100% Compliant with Australian WHS Acts & Regulations
  • • Fully Editable MS Word & PDF Formats Included
  • • Pre-filled Content – Ready to Deploy Immediately
  • • Customisable – Easily Add Your Logo & Site Details
  • • Includes 2 Years of Free Compliance Updates

Air Conditioning Refrigerant Handling and Re-Gassing Risk Assessment

Product Overview

Identify and control organisational risks associated with Air Conditioning Refrigerant Handling and Re-Gassing through a structured, management-level WHS Risk Management framework. This Risk Assessment supports compliance with the WHS Act, licensing and Australian Standards while protecting your business from regulatory breaches, incidents and operational liability.

Risk Categories & Hazards Covered

This document assesses risks and outlines management controls for:

  • WHS Governance, Legal Compliance & Licensing: Assessment of statutory obligations, refrigerant handling licences, permit requirements and organisational due diligence for AC and refrigeration work.
  • Competency, Training & Authorisation of Personnel: Management of competency standards, formal training, verification of skills and authorisation processes for technicians and supervisors.
  • Plant, Equipment & Tooling Management: Control of selection, inspection, calibration and maintenance of recovery units, gauges, hoses, cylinders and associated tooling used for re-gassing.
  • Refrigerant Storage, Transport & Inventory Control: Governance of decanting, cylinder handling, segregation, secure storage, transport compliance and leak-loss tracking of refrigerant stocks.
  • System Design, Selection & Modification Governance: Oversight of system design changes, retrofits, refrigerant type selection, engineering review and approval processes to minimise technical and safety risks.
  • Procedures for Depressurising, Flushing & Re‑Gassing Systems: Management-level controls for safe work procedures, isolation, purging, residual pressure risks and verification steps before re-commissioning.
  • Work Environment, Access & Confined Space Management: Assessment of roof spaces, plant rooms, ceiling voids and restricted areas, including access systems, lighting, housekeeping and confined space controls.
  • Atmospheric Monitoring, Leak Detection & Ventilation Controls: Protocols for gas detection, oxygen depletion risks, ventilation adequacy, alarm systems and response to detected refrigerant leaks.
  • Emergency Preparedness, Response & First Aid: Planning for spills, major leaks, fire, asphyxiation and cold burns, including emergency equipment, first aid capability and escalation procedures.
  • Contractor Management & Supervision: Controls for engaging, inducting and supervising external HVAC contractors, including verification of licences, SWMS, insurances and performance monitoring.
  • Maintenance, Inspection & Asset Integrity of AC Systems: Systematic scheduling of inspections, preventative maintenance, integrity checks and defect rectification for refrigerant-containing plant.
  • Health Monitoring, Exposure Management & PPE Policy: Management of potential refrigerant exposure, health surveillance, selection and enforcement of PPE and controls for vulnerable workers.
  • Documentation, Records, Data & Change Management: Governance of service records, leak logs, refrigerant usage data, version control of procedures and formal management of change processes.
  • Consultation, Communication & Worker Engagement: Frameworks for toolbox talks, safety meetings, issue resolution and consultation with technicians on hazards, controls and continuous improvement.

Who is this for?

This Risk Assessment is designed for Business Owners, HVAC Company Directors, Operations Managers and Safety Officers responsible for planning, governing and overseeing air conditioning refrigerant handling and re-gassing activities.

Hazards & Risks Covered

Hazard Risk Description
1. WHS Governance, Legal Compliance & Licensing
  • • Lack of awareness of obligations under WHS Act 2011, WHS Regulation and Ozone Protection and Synthetic Greenhouse Gas legislation
  • • Technicians handling refrigerants without appropriate ARCTick licence or restricted electrical licence where required
  • • No documented WHS policy or organisational commitment to safe refrigerant handling
  • • Inadequate consultation with workers and health and safety representatives on refrigerant risks
  • • Failure to keep up to date with changes in Australian Standards, Codes of Practice and manufacturer requirements
  • • Poorly defined WHS responsibilities for managers, supervisors and technicians
2. Competency, Training & Authorisation of Personnel
  • • Inadequate competency in refrigerant characteristics, including flammability, toxicity and asphyxiation risks
  • • Lack of training in safe depressurising and re‑gassing techniques for various refrigerant types and pressures
  • • Insufficient understanding of hazards associated with flushing linesets and servicing compact chillers
  • • No formal verification of competence for new hires or subcontractors
  • • Failure to provide refresher training on new refrigerant technologies (e.g. R32, CO2, low‑GWP blends)
  • • Technicians unaware of emergency response procedures in the event of a serious refrigerant leak or exposure
3. Plant, Equipment & Tooling Management
  • • Use of uncalibrated or non‑compliant gauges, manifolds and pressure testing equipment
  • • Inadequate maintenance of recovery units, vacuum pumps and re‑gassing equipment leading to leaks or failure under pressure
  • • Use of incompatible hoses, fittings or adaptors for specific refrigerant classes
  • • Damaged or poorly maintained compact chillers and service equipment increasing risk of rupture or uncontrolled release
  • • Lack of system for isolating and tagging out defective equipment
  • • Inadequate selection and rating of tools for working in potentially flammable or explosive atmospheres
4. Refrigerant Storage, Transport & Inventory Control
  • • Improperly stored refrigerant cylinders leading to falls, impacts or valve damage and subsequent gas release
  • • Inadequate segregation of flammable refrigerants from ignition sources or incompatible substances
  • • Insufficient inventory tracking resulting in unidentified leaks, environmental releases or regulatory breaches
  • • Cylinders transported unsecured in vehicles or utes creating crush and leak hazards during braking or collision
  • • Poor labelling of cylinders and decanting equipment causing refrigerant mis‑identification and incorrect re‑gassing
  • • Lack of procedures for managing out‑of‑date or damaged cylinders and reclaim refrigerant
5. System Design, Selection & Modification Governance
  • • Poorly designed or modified air‑conditioning systems leading to excessive operating pressures or unsuitable refrigerant selection
  • • Inadequate consideration of ventilation and leak dispersion in plant rooms, roof spaces and confined areas
  • • Uncontrolled modifications to compact chillers and associated pipework increasing risk of leaks, corrosion or vibration failures
  • • Lack of engineering review when retrofitting new refrigerants into existing systems not designed for them
  • • Absence of standardised design criteria for isolation valves, pressure relief devices and service ports
  • • Failure to ensure compatibility of oils, seals and materials of construction with selected refrigerants
6. Procedures for Depressurising, Flushing & Re‑Gassing Systems
  • • Lack of standardised procedures for depressurising air‑conditioning systems and compact chillers
  • • Inadequate controls for managing high‑pressure releases during connection or disconnection of service hoses
  • • Uncontrolled flushing of linesets leading to liquid slugging, pressure shocks or discharge of contaminants
  • • Incorrect re‑gassing processes resulting in over‑charging, under‑charging or cross‑contamination of refrigerants
  • • Poor documentation of system changes and refrigerant quantities after service events
  • • Inconsistent leak detection and tightness testing methods following re‑gassing or flushing
7. Work Environment, Access & Confined Space Management
  • • Poor access to rooftop units, plant platforms or ceiling spaces leading to falls, dropped objects or manual handling incidents
  • • Inadequate ventilation in plant rooms, risers or ceiling cavities increasing risk of refrigerant accumulation and asphyxiation
  • • Unrecognised confined spaces where refrigerant could displace oxygen during leaks or depressurisation
  • • Cluttered or poorly lit plant areas contributing to slips, trips and falls while handling heavy cylinders and equipment
  • • Lack of controls for working near edges, fragile roofs or unprotected penetrations when accessing external air‑conditioning units
  • • Inadequate management of simultaneous operations (e.g. other trades, hot works) increasing ignition or interference risks
8. Atmospheric Monitoring, Leak Detection & Ventilation Controls
  • • Delayed detection of refrigerant leaks in plant rooms, service corridors or enclosed spaces
  • • Absence of fixed gas detection for high‑risk installations such as compact chillers in confined plant rooms
  • • Inappropriate placement or calibration of gas detectors resulting in undetected leaks
  • • Reliance on smell or visible signs to identify refrigerant leaks, particularly for odourless gases
  • • Inadequate testing of ventilation systems that are relied upon for dilution and removal of leaked refrigerant
  • • Lack of integration between leak detection, alarms and emergency response procedures
9. Emergency Preparedness, Response & First Aid
  • • Lack of clear procedures for responding to significant refrigerant leaks, rapid depressurisation or cylinder failure
  • • Workers untrained in recognising signs of asphyxiation, cold burns or chemical exposure from refrigerants
  • • Insufficient first aid resources or eyewash facilities in areas where refrigerant lines are opened or cylinders are handled
  • • Delayed notification of emergency services during a serious leak or plant failure
  • • Poor coordination with building management, fire wardens and emergency control organisation for refrigerant‑related incidents
  • • No post‑incident investigation process, leading to repeated failures and unaddressed root causes
10. Contractor Management & Supervision
  • • Use of external contractors who do not adhere to the organisation’s refrigerant safety standards
  • • Inadequate verification of contractor licences, insurances and competencies
  • • Poor coordination between multiple contractors working on interconnected air‑conditioning and chiller systems
  • • Lack of supervision or monitoring of contractor work practices, particularly for depressurising and re‑gassing tasks
  • • Failure to communicate site‑specific hazards, emergency procedures and permit requirements to contractors
  • • Contractors bypassing organisational procedures to save time or costs
11. Maintenance, Inspection & Asset Integrity of AC Systems
  • • Lack of systematic inspection and maintenance of refrigerant pipework, valves and joints leading to undetected deterioration
  • • Corrosion, vibration or mechanical damage to compact chillers and outdoor units increasing risk of leaks or rupture
  • • Inadequate verification of safety devices such as pressure relief valves and isolation valves
  • • Deferred or reactive maintenance practices allowing minor leaks or defects to escalate
  • • No documented criteria for decommissioning or major overhaul of ageing air‑conditioning plant
  • • Poor record keeping of inspections, repairs and refrigerant additions, limiting the ability to identify systemic problems
12. Health Monitoring, Exposure Management & PPE Policy
  • • Unrecognised chronic or repeated low‑level exposure to refrigerant gases in poorly ventilated work areas
  • • Inadequate guidance on selection and use of personal protective equipment for handling refrigerants and cold surfaces
  • • Workers not reporting early symptoms of exposure, cold burns or respiratory irritation
  • • No structured process to review health impacts following significant leak incidents or near misses
  • • Inconsistent application of PPE requirements between sites and supervisors
  • • Reliance on PPE as the primary control rather than supporting engineering and administrative measures
13. Documentation, Records, Data & Change Management
  • • Incomplete or outdated documentation for air‑conditioning systems, refrigerant types and charge quantities
  • • Loss of service records hindering traceability of leaks, repairs and re‑gassing activities
  • • Poor control of procedures, SWMS and technical documents leading to use of superseded information
  • • Unmanaged changes to plant, refrigerants or procedures increasing the risk of incompatible practices or equipment
  • • Lack of centralised data to analyse refrigerant loss rates and identify systemic issues
  • • Inadequate retention of records needed to demonstrate compliance with WHS and environmental legislation
14. Consultation, Communication & Worker Engagement
  • • Workers not consulted about practical issues and risks associated with refrigerant handling and AC servicing
  • • Poor communication of changes to procedures, equipment or refrigerant types
  • • Language or literacy barriers leading to misunderstanding of safety information and instructions
  • • Lack of involvement of health and safety representatives in reviewing refrigerant‑related incidents and controls
  • • Informal workarounds and undocumented practices developing without management knowledge
  • • Inconsistent messaging from supervisors regarding risk tolerance and rule enforcement

Need to add specific hazards for your workplace?

Don't worry if a specific hazard isn't listed above. Once you purchase, simply log in to your Client Portal and add your own custom hazards at no extra cost. We take care of the hard work—creating the risk ratings and control measures for free—to ensure your document is compliant within minutes.

Legislation & References

This document was researched and developed to align with:

  • Work Health and Safety Act 2011
  • Work Health and Safety Regulations 2017
  • Ozone Protection and Synthetic Greenhouse Gas Management Act 1989: Federal requirements for the handling and management of refrigerant gases.
  • Ozone Protection and Synthetic Greenhouse Gas Management Regulations 1995: Licensing, certification and operational controls for refrigerant use.
  • AS/NZS ISO 31000:2018: Risk management — Guidelines
  • AS/NZS 5149 (Series): Refrigerating systems and heat pumps — Safety and environmental requirements.
  • AS/NZS 1677 (Superseded but referenced in industry): Refrigerating systems — Safety requirements for legacy plant.
  • AS/NZS 60335.2 (Relevant parts): Household and similar electrical appliances — Particular requirements for heat pumps, air-conditioners and dehumidifiers.
  • AS 4343: Pressure equipment — Hazard levels, for classification of pressurised components in AC and refrigeration systems.
  • AS 1319: Safety signs for the occupational environment, supporting labelling of plant rooms, cylinders and restricted areas.
  • Safe Work Australia Codes of Practice: Including “How to Manage Work Health and Safety Risks”, “Managing the Work Environment and Facilities” and “Hazardous Chemicals” where applicable.
Standard Risk Assessment Features (Click to Expand)
  • Comprehensive hazard identification for all activities
  • Risk rating matrix with likelihood and consequence analysis
  • Existing control measures evaluation
  • Residual risk assessment after controls
  • Hierarchy of controls recommendations
  • Action priority rankings
  • Review and monitoring requirements
  • Consultation and communication records
  • Legal compliance references
  • Sign-off and approval sections

$79.5

Safe Work Australia Aligned