The experiment with the homemade A/C didn’t work that well. In the middle of the night I wandered into the room to see how it was doing. The tube had slipped a bit and so instead of piping hot air out of the place, it was blocking the intake of the fan. i.e. It was just making a lot of noise.
I might feel inclined to continue with the experiment if it gets hot again and I want to avoid being more productive.
For Science!