Yeah I actually went to Home Depot, and Compared the $100 5000BTU unit that I would need $100 of extra stuff to half *** it, to the $300 10000BTU open box portable with an adapter for a horizontal window.
So I got the portable. Set it to max cold when I brought it home and it was like an igloo when I got home.
It came with an exhaust vent to the window, and a silicon hose thingy for the drip. We are in colorado so it is very arid, and there was a plug in the drip hole thing. So I just left the hose unattached... 48 hours and no soggy floor, so it must not be making any water, or at no more than what is evaporated. I am not setting it to dehumidify, since there is no water in the air lol.