Air duct heaters can be supplied custom made from a few watts up to several hundreds of k Watts. Our air duct heaters can be delivered in a variety of materials e.g., different stainless steel qualities, inconel or plate steel. For high temperature surfaces (max. 800°C), Incoloy 800 or Incoloy 600. Complete with or without junction box, overheating protection, thermostat(s) or control panel.