Andrew Robertson
San Remo,VIC
Summary
Experienced Refrigeration HVAC Technician with 20+ years in diagnostics, refrigerant handling, control circuits, and chiller maintenance. Known for safe, efficient repairs, preventive maintenance, and reliable system performance across municipal and commercial facilities.
Overview
25
25
years of professional experience
Work History
Refrigeration HVAC Technician
City
Cental Coast
11.2009 - 09.2026
- Service municipal HVAC units across city buildings.
- Inspected heating, cooling, and ventilation systems for city facilities.
- Repaired compressors, motors, fans, and thermostats.
- Performed preventive maintenance on rooftop units and chillers.
- Monitored refrigerant levels and charging procedures.
- Responded to city work orders for HVAC outages, ensuring timely resolution of issues to maintain comfort and safety in municipal buildings.
- Adjusted controls, dampers, and airflow settings.
- Documented repairs and maintenance in city service records.
- Performed preventive maintenance on HVAC systems to ensure peak performance and energy efficiency.
- Repaired or replaced defective parts such as compressors, motors, fans and other components in heating and cooling systems.
- Installed, repaired and maintained residential HVAC equipment, including furnaces, air conditioners, heat pumps and duct systems.
- Cleaned evaporator coils, condensate drains and blower wheels to maintain optimal efficiency of the unit.
- Troubleshot and diagnosed issues with HVAC equipment, providing recommendations for remediation.
- Checked pressure readings on gauges to diagnose HVAC system malfunctions. on gauges connected to the system to diagnose any malfunctions.
- Troubleshot complex control circuits involving relays, transformers and switches.
- Maintained and serviced HVAC systems and refrigeration equipment.
- Replaced worn out filters at regular intervals to improve air quality inside the premises.
- Calibrated thermostats, tested capacitors and checked refrigerant levels for proper functioning of the system.
- Inspected electrical wiring of existing HVAC systems to identify potential problems and safety hazards.
- Recovered refrigerant from old HVAC units prior to disposal according to local environmental regulations.
- Examined heating and air conditioning systems and air compressors for signs of defects or malfunction.
- Followed safety procedures when working on high voltage wiring or gas lines.
- Performed routine checks on various components of the system such as contactors, relays and solenoids.
- Assisted senior technicians with complex tasks, contributing to successful installation and repair of HVAC systems.
- Resolved customer complaints regarding installation or service issues in a timely manner.
- Assembled sheet metal pieces into ductwork sections using rivets or screws.
- Assessed efficiency of HVAC and refrigeration systems to provide feedback to customers.
- Promptly responded to temperature complaints during heatwave, assessing issues and implementing solutions to restore optimal conditions.
- Assisted in the selection and sizing of HVAC equipment for new installations, based on detailed load calculations.
- Performed ductwork repairs and modifications to improve system airflow and indoor air quality.
- Managed inventory of HVAC parts and supplies, ensuring availability of necessary components for repairs and installations.
- Diagnosed and repaired faults in HVAC systems, including refrigerant leaks, electrical issues, and mechanical failures.
- Trained junior technicians on proper HVAC repair techniques and safety protocols. on HVAC repair and maintenance techniques, tools, and safety practices.
- Read technical manuals and schematics to understand specific configurations.
- Cut and drilled holes in floors, walls and roofs to install equipment using power saws and drills.
- Put in new gas lines, wiring and other support components for HVAC systems.
Refrigeration Service Mechanic
Frigrite Refrigeration
Newcastle, NSW
09.2005 - 10.2007
- Identified refrigeration faults on commercial cooling equipment during service calls.
- Repaired compressors, condensers, evaporators, and related mechanical components.
- Monitored refrigerant levels, pressures, and system performance with gauges to ensure optimal operation.
- Completed preventive maintenance on Frigrite refrigeration systems and units.
- Installed new parts per manufacturer instructions and safety standards.
- Changed worn parts, seals, motors, and electrical controls.
- Checked and adjusted hydraulic systems for proper operation.
- Completed routine service and preventive maintenance inspections to support mechanical and electrical operation.
- Calibrated instruments to maintain machine accuracy.
- Replaced defective parts such as gaskets, seals, bearings, valves, pumps, and hoses.
- Assisted technicians with troubleshooting complex mechanical issues.
- Followed safety rules during repair work and enforced safety regulations within the shop area.
- Worked with customers and Frigrite refrigeration staff on equipment concerns.
- Provided technical phone support to customers, resolving service-related issues and enhancing customer satisfaction.
- Operated automotive diagnostic equipment to find malfunctions.
- Inspected vehicles for wear or damage and completed needed repairs.
Refrigeration Service Mechanic
McAlpine Hussman
Newcastle, NSW
01.2005 - 09.2005
- Diagnosed refrigeration faults on commercial cooling equipment during service calls.
- Repaired compressors, condensers, evaporators, and related mechanical components.
- Performed preventive maintenance on Frigrite Refrigeration systems and units.
- Inspected walk-in coolers, freezers, and cold room equipment.
- Tested refrigerant levels, pressures, and system performance with gauges.
- Replaced worn parts, seals, motors, and electrical controls.
- Documented repairs, service notes, and maintenance findings for technicians.
- Coordinated with customers and Frigrite Refrigeration staff on equipment issues.
- Rebuilt engines and transmissions to factory specifications.
- Installed new parts according to manufacturer's instructions and safety standards.
- Tested and adjusted hydraulic systems to ensure proper functioning.
Apprentice Refrigeration Mechanic
Frigrite Refrigeration PTY LTD
Newcastle, NSW
01.2002 - 01.2005
- Serviced commercial refrigeration systems at Frigrite Refrigeration client sites
- Diagnosed faults in cold rooms, freezers, and display cabinets
- Installed compressors, condensers, evaporators and other related parts.
- Repaired compressors, motors, controls, and thermostatic components
- Supported installation of refrigeration pipework and equipment to enhance system performance
- Followed safety procedures and refrigeration compliance requirements
- Communicated site updates and service needs with customers
Education
Problem And Decision Analysis
Swinburne University of Technology
Melbourne, VIC02-2016
Influencing With Impact
Swinburne University of Technology
Melbourne, VIC02-2016
Service And Repair Carbon Dioxide Refrigeration
TAFE NSW
NSW12-2010
18841 Refrigerants: Commerical Industrial Systems
TAFE NSW
NSW09-2010
MNMG237A Work Safeky At Heights
SpanSet Australia LTD
Sydney, NSW03-2009
HVAC Refrigeration Engineering
TAFE NSW
NSW12-2008
Electro Technology Refrigeration & Air
TAFE NSW
NSW12-2003
Skills
- HVAC diagnostics
- Refrigerant handling
- Control circuits
- Chiller maintenance
- Ductwork installation
- Equipment repair
- Safety compliance
- Problem solving
Timeline
Refrigeration HVAC Technician
City
11.2009 - 09.2026
Refrigeration Service Mechanic
Frigrite Refrigeration
09.2005 - 10.2007
Refrigeration Service Mechanic
McAlpine Hussman
01.2005 - 09.2005
Apprentice Refrigeration Mechanic
Frigrite Refrigeration PTY LTD
01.2002 - 01.2005
Problem And Decision Analysis
Swinburne University of Technology
Influencing With Impact
Swinburne University of Technology
Service And Repair Carbon Dioxide Refrigeration
TAFE NSW
18841 Refrigerants: Commerical Industrial Systems
TAFE NSW
MNMG237A Work Safeky At Heights
SpanSet Australia LTD
HVAC Refrigeration Engineering
TAFE NSW
Electro Technology Refrigeration & Air
TAFE NSW