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  1. #1
    Join Date
    Jul 2011
    Posts
    1

    Default Portable AC Unit Exhaust

    We have a guest quarters located above our garage (roughly 230 sq. feet w/ bathroom). We'd like to install an air conditioner, but the windows won't accommodate one -- the ones in the front open like doors while the one in the rear, which is probably 70 years old, has hinges in the middle so that the middle panes can open out. So, a standard window model is not an option. If we get a portable unit, how can we connect the exhaust tube to the outside? So far, our brainstorms include: 1) knocking out a single pane of glass, 2) having a glass-cutter knock out a circle in a pane of glass, 3) replacing one of the front window doors with plexiglass and using the "spacer" provided by portable units. Are 1 and 2 too destructive to the house? Replacing a pane of glass in the event we sell the house down the line is pretty easy, no?

  2. #2
    Join Date
    Jun 2012
    Posts
    5

    Default Re: Portable AC Unit Exhaust

    Why you not buy split a/c? it is best and fit anywhere in the house and Set your outdoor on terrace.

  3. #3
    Join Date
    Apr 2012
    Location
    Northern Virginia
    Posts
    143

    Default Re: Portable AC Unit Exhaust

    Quote Originally Posted by Binanti View Post
    Why you not buy split a/c? it is best and fit anywhere in the house and Set your outdoor on terrace.
    The hardware alone is about $1,000 and the fully installed cost is around $2,500 (my estimate), and that assumes the owner has 240v service nearby.

    Also, 9,000 BTU is minimum and it will be great on extremely hot days but won't dehumidify enough in normal days as it will just run a short time to cool.

    Bottom line, it's a lot of spend on a guest room.

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