The new Port-A-Cool Hurricane portable evaporative cooling unit from Port-A-Cool LLC utilizes high-efficiency cooling pads and water. The unit will naturally cool up to 3,500 square feet and lower temperatures up to 30 degrees Fahrenheit. The Hurrican's design provides 67-gallon water capacity and 14,500 cfm, the largest airflow delivery of any 36-inch evaporative cooler offered, notes the company.