The HVAC (Heating, Ventilation and Air Conditioning) system is implemented using a Siemens PLC-based control and monitoring platform, providing intelligent regulation of temperature, humidity, air flow, and ventilation across the facility. The system ensures optimal environmental conditions for equipment rooms, process areas, and accommodation spaces while maintaining energy efficiency and compliance with safety standards.

The Siemens-based HVAC system integrates field devices, VFDs, actuators, and sensors with the central control system (PLC + HMI/SCADA), enabling both automatic and manual control modes, alarm monitoring, and data logging.