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The Computer Controlled Air Ventilation and Conditioning Unit, "TEVC", designed by EDIBON, has been conceived for the comprehensive study of ventilation, filtration, and air distribution processes in duct systems. This unit accurately reproduces the operation of an Air Handling Unit (AHU), allowing the analysis of airflow behavior, pressure losses, branch balancing, and the system’s response under different network configurations and operating conditions. Air is drawn into the system through a rectangular inlet with filter holder, where primary filtration removes suspended particles before entering the fan. A variable-speed centrifugal fan, controlled via software, then drives the air through the main circuit, generating adjustable flow rates and distributing it through a metal duct system. This system, which includes filtering elements, branch connections, and adjustable air outlets, enables the study of the influence of each component on flow distribution and pressure variations along the network. The "TEVC" includes a complete instrumentation system composed of pressure sensors, flow sensors, and air velocity sensors, allowing the representation of pressure and velocity profil