LOREN COOK COMPANY is proud to be a leader in the design and manufacturing of fans, blowers, gravity vents, laboratory exhaust systems, and energy recovery ventilators. Our products ventilate institutional, laboratory, commercial and industrial facilities worldwide. Our culture is to provide superior product quality and excellent customer service. This was true in 1941 when Loren Cook founded the company, and it’s still true today. Learn about COOK's engineering and manufacturing practices. Also view COOK's many industry associations and certifications.


New product HMD Direct Fire Heated Make-Up Air Unit. Go to the new HMD page.

Updated products CA/CF and CP catalogs now include inlet and outlet sound data. See the CACF and CP pages.

Updated publication the All Products catalog has been updated. EC motors have been added.