Snowflakes representing winter weather, emphasizing the importance of heating maintenance for homeowners.
Cartoon suns wearing sunglasses, representing warmth and energy efficiency, relevant to HVAC heating and cooling services.

What Is a Damper? Controlling Airflow in HVAC Ducts

Found in ductwork, this movable plate opens and closes to control airflow. Dampers can be used to balance airflow in a duct system. They are also used in zoning to regulate airflow to certain rooms.