Air Handling Units serve as core HVAC equipment for conditioning and circulating air across commercial, industrial and public‑service premises. These modular systems integrate multi‑stage air filtration, temperature regulation, humidity adjustment and fresh‑air ventilation to stabilize indoor air quality, temperature and humidity. Supporting customizable airflow, filter grades and heat‑recovery modules, they deliver reliable air treatment for offices, hotels, hospitals, factories and transport hubs. Built with sturdy insulated casings and compatible with building management systems, they balance stable operation and energy‑saving performance. Key features include flexible configuration, efficient contaminant removal, precise climate control and easy maintenance, meeting diverse ventilation demands for comfort‑oriented and hygienic‑critical project scenarios.