Which component is commonly found in a ventilation system?

An air handling unit (AHU) is a critical component commonly found in ventilation systems. Its primary function is to regulate and circulate air as part of a heating, ventilating, and air-conditioning (HVAC) system. AHUs are specifically designed to condition and distribute air within a building, ensuring that the indoor environment is comfortable and healthy for occupants.

Inside an AHU, air is often filtered, heated, or cooled before being delivered to various spaces. It can also include components like fans, dampers, and sometimes heat exchangers, facilitating the effective management of fresh air intake, air exhaust, and maintaining proper humidity levels. This makes the AHU integral to maintaining indoor air quality and thermal comfort, key aspects of any ventilation strategy.

While heat exchangers, cooling towers, and compressors serve important roles within various HVAC systems, they are not specifically geared toward the ventilation process itself in the same way that AHUs are. Heat exchangers typically relate to transferring heat between air or fluid streams to manage temperature, cooling towers are used for dissipating heat from a water-cooled system, and compressors are integral to refrigeration cycles, primarily dealing with refrigerant management rather than the direct ventilation of spaces. Thus, the air handling unit stands out as the