Those are very sensible suggestions tbf; it’s just that my house is really small! I live alone, renting. My room upstairs doesn’t fit any more than my bed and the AC (floor unit). The only way I can work up there is with a laptop on my bed, which is an ergonomic nightmare that will have me cramping in about 10 minutes.
I have a small sofa that is comfortable enough to sleep on downstairs, that I would probably use if I did not have the AC
I can lug the AC up and down the stairs but one of those 2 areas will be so warm that by the time I’ve moved it I’m immediately in need of another shower… and then again when I move it back.










Blackout curtains + closed windows do not keep my first floor anywhere near cool enough unfortunately; I think it’s really poorly insulated as it is also really cold up there in the winter (though this is much more manageable to me.)
My problem with sleeping with a fan is they trigger my myofascial pain syndrome quite badly. My only relief is still air that’s cooler. I also run quite hot in general :/
I have noticed, however, that I can do a single top up at around 13:00, where I run the AC for a bit to get the upstairs room slightly cooler than downstairs. Then I turn it off and close the window and it stays somewhat bearable for the rest of the day, opening the window again at night.
I completely understand your concerns about power usage as I am eco-conscious myself, and I really wish I had a ceiling fan to use instead. Getting my landlady to sign off on that is a bit unlikely.