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  1. #1
    Join Date
    Jan 2007
    Location
    NE OHIO
    Posts
    778

    GenTec Evergreens

    Co. I work for is going to start selling these any opinions on them, also they are not true variable speed, are they? Also wondering what they cost (Approx) Oops wrong site sorry will put in pro

  2. #2
    Join Date
    Nov 2004
    Location
    NJ
    Posts
    1,205
    All ECM motors are not constant CFM motors.

    There are 2 typical types.
    • Constant airflow (often called variable speed)
    • Constant torque


    The Evergreen falls into the second category. It is available from OEM's and is known as an X-13 and is available in a retrofit model that you are referring to. I'm not aware of any manufacturer offering a constant CFM motor in a retrofit version.
    Ed J

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