An aspirating smoke detection system (ASD), also known as a high-sensitivity smoke detection system, is an advanced fire detection solution designed to identify smoke at the earliest possible stage. Unlike conventional point-type smoke detectors, an ASD system actively draws air samples from the protected area through a network of small pipes using a highly sensitive aspirator (fan). The sampled air is transported to a central detection unit where it is analyzed, typically using laser-based detection technology, to identify even microscopic smoke particles. This allows the system to detect fires in their incipient stage, often before visible smoke is present. Aspirating smoke detection systems are commonly used in critical environments such as data centers, telecommunication rooms, clean rooms, warehouses, cold storage facilities, and historic buildings where early warning is essential to prevent damage, downtime, or data loss. They offer advantages such as high sensitivity, programmable alarm thresholds, continuous air sampling, and the ability to function effectively in challenging conditions like high airflow, dusty environments, or concealed spaces.