A ventilation system is a crucial component of building infrastructure that helps maintain indoor air quality by ensuring proper air circulation and fresh air supply. It involves the installation of mechanical systems such as fans, ducts, and vents to remove stale air, control temperature and humidity, and prevent the buildup of pollutants like carbon dioxide, volatile organic compounds, and allergens. Ventilation systems are commonly used in residential, commercial, and industrial buildings to create a comfortable and healthy environment for occupants. Research in this area focuses on improving energy efficiency, reducing environmental impact, and enhancing the overall performance of ventilation systems through innovative design, technology, and control strategies.