Over the last 20 years Big Ass Fans, the largest manufacturer in the world of the HVLS fans, has introduced millions of people to the benefits of improved airflow and comfort, transforming spaces everywhere from airplane hangars to warehouses. Big Ass Fan 4900 is an impressive and economical fan package ideal for workshops, gyms, small manufacturing facilities, and virtually any indoor industrial or commercial space. Our ShopFan model is plug and play and suitable for spaces 4,900 square feet. The 4900 provides cooling over the same areas as 70 standard 52-in. (1.3-m) ceiling fans at a fraction of the operating cost. Superb performance and year-round energy savings - just what you'd expect from Big Ass Fans.