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    KCSarah's Avatar
    KCSarah Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Apr 16, 2007, 09:43 PM
    Can I vent a window A/C unit into the attic?
    I want to install a window A/C unit in the wall of my third floor. I know that if I vent it into the attic, it will increase the temperature of the attic. What problems would occur if the heat in the attic did increase significantly?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Apr 16, 2007, 10:52 PM
    Actually the A/C will not work well at all. They depend upon ground level temperatures to cool the condenser/to exchange heat.
    Now when you put in a hot attic the unit will have a impossible time disposing of the heat. Not recommended at all. Just when you need the A/c the most the attic air will be way to hot to remove the heat from the unit.
    JackT's Avatar
    JackT Posts: 260, Reputation: 19
    Full Member
    		  
    #3

    Apr 17, 2007, 02:57 AM
    hvac1000 is correct and it most likely will violate local and state fire codes. Most apartments use the sheetrock as a fire rated barrier and cutting any holes would be a violation. Not a good idea...
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