What does VCD mean in CONSTRUCTION

A Volume Control Damper (VCD) is a device used to regulate airflow in heating and cooling systems. It has adjustable blades which can be adjusted to various angles, allowing for the regulation of air flow by controlling the amount of space for air to pass through.

VCDs are commonly used in commercial and industrial applications such as HVAC systems, exhaust fans, and fresh air intake systems. It also has residential applications such as whole-house ventilation or bathroom exhausts.

A VCD works by adjusting the angle of its blades through a manual or automated mechanism. This allows for the regulation of airflow by controlling the amount of space available for air to pass through. The angle of the blades can be changed depending on whether more or less airflow is required.

VCD's offer energy savings by regulating airflow efficiently with minimal electric power required. They also provide acoustic benefits due to their ability to reduce sound transfer through dampening internal mechanical components like fan noise within an enclosure like an AHU (Air Handling Unit). Additionally, they improve indoor comfort levels when outside temperatures change drastically thereby preventing temperature imbalances throughout a building leading to poor air quality within the premises.