What role do dampers play in duct systems?

Dampers are crucial components in duct systems because they serve the primary function of regulating airflow to different spaces within a heating and cooling system. By adjusting the position of dampers, which can be manually or automatically controlled, the volume of air flowing into various areas of a building can be increased or decreased. This regulation allows for improved temperature control and ensures that different rooms receive the appropriate amount of conditioned air, enhancing comfort and efficiency.

The other functions listed, while important in HVAC systems, do not describe the primary role of dampers. For instance, while dampers can have an effect on temperature indirectly by controlling airflow, they are not primarily designed for temperature control. Filtering out dust and debris is the role of air filters rather than dampers, and noise reduction is typically addressed through insulation or sound-dampening materials rather than through the use of dampers themselves.