Rosenberg USA is a fan manufacturer specializing in motorized impeller technology. Manufactured in Kunzelsau, Germany, our USA office is located just outside of Charlotte, North Carolina, and carries a wide variety of fan options from AC, DC, and EC fan/motor options. The Rosenberg Group is made up of (3) three manufacturers: Rosenberg / ECOFIT / ETRI. Rosenberg USA provides sales and support for various industries such as HVAC, avionics, railway, clean room, data centers, medical/healthcare, equipment cooling, and wind turbine applications (to name a few). Our RoVent Selection Software is openly available from our website and contains performance curve, drawings, 3D .STP files, and other helpful tools for finding a fan for your solution. Let our staff help find the perfect fan for your solution.