SOLIDWORKS Flow Simulation’s HVAC module enhances environmental analysis for spaces where people or sensitive equipment are present. It handles scenarios involving temperature control, drafts, humidity, ventilation efficiency and contaminant movement. The video demonstrates comfort assessments using ISO 7730, predictive mean vote and contaminant removal effectiveness, as well as tracer studies for airflow and pollutant tracking. Advanced radiation modelling enables accurate analysis of glass structures exposed to solar gain. Built‑in material and fan libraries streamline setup, allowing realistic boundary conditions. The module provides deep insight into airflow behaviour, thermal comfort and ventilation performance across a wide range of applications.