Thanks for the replies so far!
I was thinking about the fact that both windows are not centered - so air distribution won't be balanced.
Then I remembered at one time I had considered a ductless mini-split. They make 110v units.
Here's one on eBay for example:
12,000 BTU System Ductless Air Conditioner,Heat Pump Mini split 110V 1 Ton w/kit
12K BTU and only $424! Plus it also heats....