The Ecofan uses the heat from a wood stove to make the electricity that powers the fan. Increase the efficiency of your wood stove with the Ecofan. Burn less wood and heat up your camp/home faster by moving the hot air away from your stove to where you need it. A silent running fan that has no cords or batteries the Eco fan is an attractive addition to any room. Made in Canada the Ecofan has proven its quality and design for almost 20 years. With up to 150 CFM (cubic feet per minute) this is the most powerful Ecofan made.