You would probably have to get a window air conditioner from Home Depot or Lowes and have someone put it in for you.
Look up "DIY poratable ac cooler" in google search, type of build your own, tho looks like someone has started making to sell. It an option, tho i never made one myself. some can be solar powered, AC or DC lots of youtube home mades. In a pinch on a shoe string bugget, something to check out
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