Installation: AC technicians install air conditioning systems in various types of vehicles, including cars, trucks, vans, and buses. This involves mounting the necessary components, such as the compressor, condenser, evaporator, and refrigerant lines, and connecting them properly to ensure efficient operation. Diagnosis and Repair: When AC systems malfunction or fail to cool properly, technicians diagnose the problem by conducting tests, inspecting components, and using diagnostic tools. Common issues may include leaks, compressor failures, electrical faults, or refrigerant issues. Technicians then perform repairs or replacements as needed to restore functionality. Refrigerant Handling: AC technicians handle refrigerants, including charging, recovering, and recycling them according to environmental regulations such as the Environmental Protection Agency's (EPA) guidelines. They ensure proper refrigerant levels and prevent leaks to maintain system efficiency and comply with safety standards. Maintenance Services: Regular maintenance is essential for prolonging the lifespan and efficiency of AC systems. Technicians perform routine inspections, cleaning, and servicing of components to prevent breakdowns and optimize performance. This may include checking refrigerant levels, inspecting belts and hoses, lubricating moving parts, and cleaning filters. Troubleshooting: AC technicians troubleshoot complex problems by analyzing symptoms, interpreting diagnostic data, and applying technical knowledge. They use wiring diagrams, schematics, and service manuals to identify root causes and develop effective solutions for various AC system issues. Electrical Work: AC systems involve electrical components such as relays, switches, sensors, and wiring harnesses. Technicians are skilled in electrical diagnostics and repair, including testing circuits, replacing faulty components, and ensuring proper electrical connections for safe and reliable operation. Customer Service: Interacting with customers is an important aspect of the job. AC technicians communicate effectively to understand customer concerns, explain repair options, provide cost estimates, and ensure customer satisfaction. They may also offer advice on AC maintenance and usage to help customers optimize performance and efficiency. Safety Compliance: AC technicians adhere to safety protocols and regulations to prevent accidents, injuries, and environmental hazards. This includes wearing appropriate personal protective equipment (PPE), following safety procedures when handling refrigerants and working with electrical systems, and maintaining a clean and organized work environment.