10 Year Guarantee with all our Flue Liner. Flexible Flue Lining Kits. Stove Kits with Hanging Cowl. Stove / Flue Accessories. The SmartFan is a self-powered, clean, silent and efficient device that greatly improves heat circulation from your solid-fuel burning stove. The device is powered by a thermoelectric generation module (TEG) which uses the hot […]