Will covering the air supply ducts while turning on the fan cause the HVAC syste

  1. profile image55
    connieaposted 2 years ago

    Will covering the air supply ducts while turning on the fan cause the HVAC system to breakdown

  2. ronbergeron profile image84
    ronbergeronposted 2 years ago

    At the least, it's likely to cause the fan/blower to overheat. The fan would work extra hard to move air that isn't there and it wouldn't have the benefit of the air to help cool itself down.

 
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