The Jumbo Evaporative Air Cooler from Symphony comes with a powerful 20 inch fan blade, a huge pad-area, and cooling spaces up to 750 sq. ft. This cooler is a real energy saver , it equipped with "Integro Mechanism" system which runs on the pump of the fan motor to save energy. Jumbo Cool is a feature packed evaporative air cooler, it can bring down the temperature like no other portable air cooler can. Perfect air cooler for large Living rooms, Bedrooms, Open spaces, Lawns, Green- houses, Auto Shops, Ranches, Barns, Shop floors, Restaurants, Offices etc.