See/build yourself a supercheap, temporary Koomidown New access to cooling – even for poor people Simple polystyrene one can be homemade from recycled material Typical Koomidown setup is 1/10 price of air conditioner No motor parts to wear out. Koomidown test prototype – made out of waste polystyrene, almost zero cost, but it works. The ‘official’ Koomidown is more robust and attractive. Koomidown in support frame that is suitable for almost any kind of bed. the square base fits under your mattress or pillow. The vent at the front releases cool air for you to breathe.