>>134107771: All praise the mighty spray bottle.
Fill it with mostly water and a teaspoon of alcohol or spirit with alcohol to keep it sanitary to spray over a day or two.
2: Wet your t shirt periodically.
3: Create an arabic towel air conditioner by hanging wet towels in front of an open window
4: Block any unneeded infrared light by closing unneeded windows and blinds.
5: All else fail, fill a bathtub with water and stay there.