Since its beginning in 1947, Comair Rotron has been the leading supplier of standard and value-added fans and blowers for a broad range of markets including electronics, computers, telecommunications, and HVAC. In December of 2014, Ammon Rizos, a manufacturers' rep company, purchased Comair Rotron from Gentherm. Ammon Rizos has represented Comair since 1954 and has offices in the US, Mexico, and Brazil. Our Comair Rotron Shanghai operation is a state-of-the-art fan and blower manufacturing facility. Comair Rotron Shanghai is currently producing a wide range of DC fans and blowers with a standard range of 5 to 48 volts DC and 115 or 230 volts AC, supplying 5 to 1070+ cfm and sizes from 40 mm to 281 mm. Comair Rotron has developed many new Air Moving solutions and is always open to new challenges and opportunities. Our Website Additional Content DOCUMENTS OF INTEREST Baseboard Heating Usage Different Methods to Control Fan Speed Fault-Tolerant Fan (FTF) Systems Now Easily Accomplished Methods of Monitoring Fan Performance Multiple Therma Pro-V Fans Controlled by a Single Sensor Acoustic Noise: Causes, Rating Systems, and Design Guidelines Cooling Fan Noise: Sleeve Bearing vs Ball Bearing Important Factors to Consider When Comparing Acoustical Data Stall of Axial Flow Fans Electrostatic Discharge (ESD) Enviro-Shield: Three Levels of Environmental Protection Life and Reliability Brushless DC Fans EMI, EMC, and UMF in DC Fans Introduction to Forced Convection Cooling Establishing Cooling Requirements: Air Flow vs Pressure Solving High Altitude Cooling Problems BROCHURES AND CATALOGS Fans, Blowers, and Impellers Catalog RESOURCES Air Flow Calculator Thermal Calculator Unit Conversion