Established and monitored maintenance protocols to deliver reliable service. Performed troubleshooting, diagnosis, and repair of all HVAC equipment's. Developed and coordinated effective predictive, preventive, and corrective maintenance approaches. Handled scheduled maintenance for HVAC equipment's in palace buildings. Created maintenance schedule for team of over 50 to cover regular service needs and emergency requests. Interpreted blueprints and technical drawings to analyze upcoming projects. Responded to maintenance requests to repair equipment malfunctions. Assisted drafters in developing structural design of products using drafting tools or computer-assisted design (CAD) or drafting equipment and software. Investigated equipment failures to diagnose faulty operation and made appropriate maintenance