HVAC Systems · Distribution
Damper
A valve or plate in ductwork that regulates or blocks airflow. Manual dampers balance airflow between zones; motorized dampers enable automated zone control. Stuck or closed dampers cause uneven temperatures and reduced airflow.
Common symptoms
- Uneven temperatures
- Weak airflow in specific rooms
- Whistling from ducts
Common repairs
- Damper adjustment
- Linkage repair
- Motor replacement
Related terms
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