(A.C )TECHNICIAN

Key Responsibilities

Operation & Monitoring

• Operate and monitor HVAC, air-conditioning, and ventilation systems.
• Ensure optimum temperature and humidity levels in offices, control rooms, and technical facilities.
• Monitor equipment performance and identify abnormalities.

Preventive Maintenance

• Perform scheduled preventive maintenance of HVAC equipment.
• Clean and replace air filters, belts, and coils.
• Check refrigerant pressures, compressor performance, and electrical parameters.
• Inspect condensers, evaporators, ducts, and air handling units (AHUs).

Breakdown Maintenance & Troubleshooting

• Diagnose and repair faults in air-conditioning and refrigeration systems.
• Attend breakdowns promptly to minimize downtime.
• Troubleshoot electrical and mechanical issues related to HVAC systems.
• Repair or replace defective components such as motors, capacitors, contactors, thermostats, sensors, and compressors.

Equipment Maintenance

Maintain and service:

• Split air conditioners
• Window air conditioners
• Packaged AC units
• VRF/VRV systems
• Air Handling Units (AHUs)
• Fan Coil Units (FCUs)
• Chillers and cooling systems (where applicable)
• Ventilation and exhaust systems
• Refrigeration units and cold rooms
• Control panels and HVAC electrical circuits

Energy Management

• Monitor energy consumption of HVAC equipment.
• Recommend energy-saving measures and operational improvements.
• Ensure efficient operation of air-conditioning systems.

Safety & Compliance

• Follow electrical safety and HVAC maintenance procedures.
• Use PPE and safe work practices during maintenance activities.
• Handle refrigerants in accordance with environmental regulations.
• Follow Lockout-Tagout (LOTO) procedures when required.

Documentation & Reporting

• Maintain maintenance logs and service records.
• Record refrigerant charging, repairs, and inspections.
• Prepare breakdown and maintenance reports.
• Report recurring issues and spare-part requirements.

Coordination

• Coordinate with E&I, civil, and administration teams for HVAC-related works.
• Supervise contractor activities related to air-conditioning maintenance when assigned.
• Support office and control-room facility maintenance requirements.

Required Skills

• Knowledge of refrigeration and air-conditioning principles.
• Ability to read HVAC and electrical drawings.
• Troubleshooting of compressors, motors, thermostats, and control circuits.
• Familiarity with refrigerants, pressure gauges, vacuum pumps, and testing instruments.
• Basic electrical maintenance knowledge.
• Good communication and reporting skills.

Qualification

• ITI in Refrigeration & Air Conditioning (RAC) / HVAC Technician.
• NCVT/SCVT certification preferred.
• Diploma in Mechanical/Electrical Engineering is an added advantage.

Experience

• 2–8 years of experience in HVAC maintenance, industrial facilities, commercial buildings, steel plants, power plants, or large office complexes.
• Experience with centralized HVAC systems and control-room air conditioning preferred.

Key Performance Indicators (KPIs)

• HVAC equipment uptime and availability.
• Breakdown response and resolution time.
• Preventive maintenance compliance.
• Energy efficiency performance.
• Number of repeat failures.
• Safety compliance and housekeeping standards.
• Occupant comfort and service quality.

Working Conditions

• Office buildings, control rooms, substations, and plant administrative areas.
• Rotational shifts or general shift depending on plant requirements.
• May require emergency call-outs during equipment breakdowns.

Typical Daily Activities

1. Inspect HVAC equipment and operating parameters.
2. Check filters, refrigerant pressures, and electrical connections.
3. Attend service requests and breakdown calls.
4. Perform preventive maintenance as per schedule.
5. Record maintenance activities and update logs.
6. Coordinate with users and supervisors regarding HVAC performance.