what size or unit do i need and if the one i have is right

Discussion in 'HVAC' started by jay rich, Sep 28, 2009.

  1. Sep 28, 2009 #1

    jay rich

    jay rich

    jay rich

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    I have a heil a/c unit. It is a 4 ton unit .Trying to figure out how to run duct the best way. I live in a trailer home 16 x 60 with a add on that is 16 x 21and im adding another 16 x 21 . How many vents should i have in each room ?
    bed rooms are 16 x 12 two of them. Bath room is 8 x 6 . kitchen is 16 x 14 front room is 16 x 16 and then the two 16 x 21 rooms plus how mant return air do i need im new to this so if i need anything else i would gladely consider it and
     

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