HVAC dampers and controllers ensure that the airflow in your HVAC system is regulated properly, and at Home Controls you’ll find a great selection to choose from. Our large selection of HVAC zone dampers include 3-Wire RDM modulating motorized options, 2-Wire RD motorized options, bypass dampers with adjustable barometric relief, and more. Plus, we offer them in various sizes from 6 and 8 inch zone dampers to large 12 to 16 inch zone dampers.