General description The 5 Blade Heat Powered Fuel Saving Stove Fan is an ecological solution designed to enhance the efficiency of your heating system. It operates without any fuel consumption, batteries, or electricity, making it an environmentally friendly choice. With a simple and elegant design, this fan not only looks great but also effectively circulates warm air throughout the room, improving heating efficiency by over 60% compared to using a fireplace without a fan. Technical specifications Power source: Heat Working temperature: 55℃~345℃ Automatic start temperature: 60℃ Noise level: Less than 25 dB Maximum surface temperature: 350℃ Installation Designed for use on a freestanding stove. Usage Automatically starts working when the temperature reaches or exceeds 60℃. Speed increases with rising temperature and decreases as the temperature drops. Stops working when the temperature falls below 60℃.