Soldato
I just use one of these sat on my window sill.
https://www.amazon.co.uk/dp/B07DTHY...olid=34O7L68M511EK&psc=0&ref_=lv_ov_lig_dp_it
With the window open during the summer months. Nice and quiet and keeps the bedroom nice and cool.
Not a cheap fan I know. But cheaper than Aircon I'd guess.
But it has such a beautiful carrying handle.