Engineering Guide 
COVID-19 : Chicago Blower Corporation has been classified as an essential business by the State of Illinois and remains open during the Coronavirus pandemic. As always, we are devoted to serving our customers by supplying the necessary equipment that keeps your operations running smoothly, and our world moving forward. In these uncertain times you can rest assured that Chicago Blower cares, and you can continue to count on us for your air moving needs. We are committed to being socially responsible and are following all State and Federal guidelines in an effort to do our part in helping flatten the curve.


We distribute this guide as a basic fan engineering tool which includes fan application data and metric conversions, and trust that it is useful also in your fan specifying process. Any time you are unsure of a particular fan for a specific application, the Chicago air moving professionals will help you evaluate your needs and provide recommendations.