- Mar 15, 2003
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I have a small room (10x10) that has no windows - it basically turns into an oven during the summer. I ordered a 7,500 BTU portable AC unit but noticed that there's an exhaust hose. I was told that I could run the hose out a window or through a wall to the open air, but can I instead run the hose to an adjacent room that has windows (and a large a/c unit in there)?