In the winter of 1918, Modine had solid roots in the booming American auto industry market. However, frigid Wisconsin temperatures and inadequate heating options caused Arthur B. Modine to head to the drawing table and develop a revolutionary new heating product. Armed with ingenuity and a need to improve the comfort of employees, Modine combined an automotive radiator, a fan, and steam pipes to construct the first unit heater, thus creating Modine’s Heating Division.