The R400 Series of direct gas-fired heating and ventilation equipment uses a backward incline airfoil fan to deliver heated air. The fuel-efficient burner usually enables this product to pay for itself in a very short time, the company says. A wide variety of options and unit configurations are available. It comes with a warranty and has ETL certification. According to the manufacturer, typical applications include warehouses, manufacturing facilities, and distribution centers.
AbsolutAire Inc., 5496 N. Riverview Dr., Kalamazoo, MI 49004; 800-804-4000; 616-382-5291 (fax); www.absolutaire.com (website).