This architectural drawing is Detail design of the air handling unit room in AutoCAD 2D drawing, CAD file, and dwg file. The air handling unit is the heart of central air conditioning. It collects outside air and room air, removes dust and other particles from the collected air, adjusts the temperature and humidity, and then distributes comfortable and refreshing air-conditioned air into the rooms via ducts. For more details and information download the drawing file. Thank you for visiting our website cadbull.com.