1. Assessed the accuracy of HVAC, ventilation, and refrigeration procedures and gave feedback to the management.2. Drafted pre-task plans and procedures to be followed in the project site.Installed air conditioning and refrigeration equipment and tested them for proper operation.3. Recycle and charge refrigerants.4. Comply with engineering standards and practices at all times.5. Examine heating, refrigeration, and air-conditioning systems for signs of defects or malfunction.6. Complete preventative maintenance on air-conditioning and ventilation systems.7. Tested, troubleshoot, and repaired systems by identifying malfunctions and replacing parts and components. Read diagrams, specifications, drawings, blueprints, and schematics.8. Demonstrated exceptional time management skills; organized and prioritized high volume of work orders to ensure maximum quality and service to customers.9. Participated in numerous professional development activities to update knowledge pertaining to the air-conditioning and ventilation systems.10. Collaborated with licensed contractors on installation and repair services for complex building maintenance projects.11. Recognized for efficiency in troubleshooting, diagnosing, repairing, and performing preventative maintenance on building and facility HVAC systems.

1. Visiting work sites to determine the client's requirements.2. Tracking all work orders in the internal system, including entering materials used and hours worked.3. Consulting with clients on their HVAC needs.4. Inspecting HVAC systems for effectiveness and safety.5. Assisting with invoicing and billing clients for work performed.6. Conducting performance tests on current HVAC systems.7. Making rounds of equipment to ensure all auxiliary components are operable and in good condition.8. Ensure required resource coverage and 7x24x365 day emergency response capabilities for critical systems and/or equipment.9. Work closely with facilities managers, construction managers, project managers, planners and schedulers, crafts, maintenance supervisors, and other staff to meet Facilities Division/Operation’s goals.