Headquartered in Switzerland and with a U.S .based facility in Ward Hill, Massachusetts, Runtal is considered a world leader in radiator technology. In the 1950s, Runtal invented panel radiators, and ever since, has remained in the forefront of the radiator industry, providing the afforable comfort of radiant heat combined with a stylish European design. Runtal's radiators are reliable, durable, sleek, energy efficient, and versatile.