Modine Manufacturing is a thermal management company established in 1916 in the United States. The company started as Modine Manufacturing Company by Arthur B Modine who patented the Spirex radiator for tractors. The Modine company manufactured the Turbotube radiator for Ford Model T cars. The company built the world's first vehicular wind tunnel in Racine, Wisconsin in 1941. During WWII, Modine manufactured aftercoolers for the P-51 Mustang fighter plane. After WWII, Modine introduced the Airditioner HVAC unit for both residential and non-residential applications. The company expanded with a European operation, Modine Schnappling Europe, in 1990 and in 1993 acquired Längerer & Reich, a German heat transfer company founded in 1913. Today, the company employs around 11,000 people.