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I don't see any window a/c units in that photo.
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I see what looks like an operable window. Or what could be (but I doubt it) through wall units like in hotel/motel rooms.
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Sure hope you check those things.
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Jerry Peck, Construction / Litigation Consultant
Construction Litigation Consultants, LLC ( www.ConstructionLitigationConsultants.com )
www.AskCodeMan.com