An exhaust air duct is a crucial component of HVAC systems, designed to remove stale air, heat, smoke, or contaminants from indoor spaces. Made from durable materials like galvanized steel or aluminum, it ensures proper airflow and improves indoor air quality. These ducts are commonly used in commercial, industrial, and residential buildings. Proper design and maintenance prevent bloc... https://decentairsystem.com/exhaust-air-duct.php