Originally Posted by sidney777
I have seen the "portable" AC used. @6000 to 12,000 btu sizes.... It is the newer type of ac for offices, homes, etc.... The AC unit sits inside and it has @5 inch flexable hose (kinda like a clothes dryer hose) out of the back. This hose exhausts the hot air. Theses ac units are more expensive than window units.
The Walmart examples linked above appear more expensive and heavier.
I like the idea of it not sitting in the companionway like a wall unit however.