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    David Richardson/NCI
    Interior Hvac Diagram
    David Richardson/NCI
    If you know what to look for, a visual inspection provides clues to unsafe operation. It's never good for one package unit to exhaust into the economizer of an adjacent unit.
    National Comfort Institute
    Before you jump on the heat pump bashing bandwagon, look at your duct installation practices first.
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    Contracting Business/Kelly L Faloon
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    The Best of Rob 'Doc' Falke

    Aug. 19, 2021
    Five 2021 gems from the president of National Comfort Institute.

    Any single article from a good writer is worth reading, and then reading again. 

    That's always true with Rob 'Doc' Falke, president of National Comfort Institute and a monthly contributor to Contracting Business. 

    Doc's specialty is airflow and indoor air quality, which he's been teaching at NCI and industry events for many years. 

    The gallery above describes five of Doc's best articles from 2021. In addition to his prized technical advice, we offer his recent commentary on the value of an HVAC technician. 

    Links to the full articles are included in the photo captions. Enter them in your browser.