Profile: Chicago Blower Corp. manufactures a wide range of fans. We design airfoil bladed centrifugal fans with efficient airfoil blade is recommended for all supply air and clean air exhaust applications as well as variable volume systems. Our vaneaxial & tubeaxial fans are used in variable HVAC systems and in light industrial applications such as fume exhaust. We offer backward inclined centrifugal fans, which include backward inclined wheel with heavy flat blades that resist corrosion and smooth steep pressure curve. We are accredited with ISO 9001 standards.