Windshield wipers featuring built-in etched foil heating elements keep blades warmed to maintain 10 °C and prevent ice and snow buildup. Available from Northland Engineered Products Inc., the wipers are wired into the ignition system rather than the wiper circuit and have a switch for year-round use. Applications include Class 6, 7, and 8 trucks, buses, RVs, automobiles, fleets, and airport support equipment.