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Blocking airflow in commercial flex duct

JCGC | Posted in General Questions on

Hello, 

I maintain a commercial hair studio that the tenants are often affected by hot air flow through the diffuser so I stuffed the duct with Roxul safe and sound to stop the air flow. Is this harmful?

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  1. walta100 | | #1

    The answer is it depends.

    If you block 5% of the unit’s air flow no problem.

    If you block 50% big problem equipment damage is a real possibility.

    Is the bothersome hot air flowing in the heating or cooling modes?

    Walta

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