What Is a Duct Baffle

The baffle is a piece of metal slightly smaller than the diameter of the duct. The baffle controls how much air is pushed through the HVAC system. Baffles are designed to be adjustable, allowing greater air flow control and balance.

What does a duct damper do?

Dampers are plate-shaped device which opens or close to regulate the amount of air that passes through the duct and vents. … By adjusting the damper, you can reduce or increase the amount of air entering every room or area of your home.

Is a baffle a damper?

Dampers are baffles controlled by electric motors that permit or block airflow inside the ductwork. Sounds similar to Smart Vents, we know, but unlike Smart Vents, dampers are invasive, meaning they are installed inside of your ducts, rather than at the supply vents.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.

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