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Thread: 2 zone system

  1. #1
    Join Date
    Jan 2001
    Sherwood Park Alberta
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    Hi techs

    I am doing a quote for job.

    25 year old home
    Bungalow - 2 furnaces with seperate duct systems.

    House is presently zoned by one furnace covers half of main floor and basement and the the other furnace covers the other half.

    I am going to propose 1 furnace with a 2 zoneing system.

    My question:

    In sizing the furnace, is a standard block load calculation acceptable in establishing the furnace size?
    I look forward to hearing input and good advice from techs
    who have installed zoning systems.
    Also preferred method of air byspass when only one zone is calling. The basement is unfinished.

    Thanks you

  2. #2
    Join Date
    Jan 2004
    Post Likes
    For just determining the size is ok.

    We use EWC for zoning, and a barometric damper for bypass.
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