Comair Rotron has been the leading provider of conventional and value-added fans and blowers for a wide variety of applications, including electronics, computers, telecommunications, and HVAC, since 1947." Ammon & Rizos, a manufacturers' rep firm, bought Comair Rotron from Gentherm in December 2014. Comair has been represented by Ammon & Rizos since 1954, with offices in the United States, Mexico, and Brazil. Our Comair Rotron Shanghai factory is a cutting-edge fan and blower production facility. Comair Rotron Shanghai presently manufactures a wide range of DC fans and blowers with a standard voltage range of 5 to 48 volts DC and 115 or 230 volts AC, with capacities ranging from 5 to 1070+ cfm and diameters ranging from 40 mm to 281 mm. Comair Rotron has created a number of innovative Air Moving technologies and is continuously looking for new challenges and possibilities.