Leakage to Outdoors

  1. Let's Talk Tubing: Pressurizing a Building with a Blower Door

    Author: Sam Myers, Retrotec

    When pressurizing a building with a blower door, did you know that extra tubing must be added to the Channel B side of your gauge if you are not using a Retrotec DM32? If this tubing connection is neglected, you will have a reading that is approximately 20% high due to the open Channel B port that is referencing the indoor pressure of 50Pa instead of the outdoor pressure. Therefore, the extra tube is needed to connect that port on Channel B to the outside so that it is referencing the outside instead of the pressure induced by the blower door.

    However, the Retrotec DM32 automatically removes the need to connect additi

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  2. Leakage to Outdoors and Advanced DucTesting Methods

    Leakage to Outdoors and Advanced DucTesting Methods

    -When is it required?
    -Setup options
    -Complex setups
    -Additional leakage to the outdoors tests

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  3. Duct Leakage to Outdoors

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