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.