Marley Engineered Products, a leader in high-performance, reliable heating and ventilation equipment, has added a new line of open coil electric Duct Heaters to its portfolio of unit heaters. To simplify the selection and quoting process for its large portfolio of duct heaters, Marley also has unveiled a new Duct Heat Program specification tool for engineers. The new line of Marley Duct Heaters are available in slip-in or flanged configurations with heavy gauge galvanized steel… Read More