Profile: Ross & Pethtel, Inc. specializes in offering industrial heating equipment and controls. Our products include air circulators, air curtains, ceiling fans, circulation heaters, component heaters, dehumidifiers, heating cables, heated tanks & pans, immersion heater and thermostats. Component heaters tubular heating elements are versatile and perform exceptional heat transfer by conduction, convection, or radiation to heat liquids, air, gases and surfaces. Cast-in heaters are custom designed for contour & multi-plane, clamp-on applications.