These 5 gallon bucket air conditioners, use water and top potency media and a top pressure and volume fan to blow hours of cool air. AC/DC power provide included. They work great in room sizes as much as 20×20. Great in garages. Great outdoors. Have about 6 hours of water capacity. Burning Man Festival other folks love them.
Transportable Swamp Cooler / Humidifier
Can be utilized indoors or outdoors, easiest for Burning Man and other outside summer festivals
6 ft AC/DC power cord included (Battery options to be had, inquire)
Utilizes about 3/4 gallon of water per hour