The Ecofan AirMax model 812 produces the highest airflow over a wider range of stove surface temperatures. For use on freestanding wood stoves with a surface temperature between 185 DegreeF – 650 DegreeF (85 DegreeC – 345 DegreeC). The Ecofan Airmax is an economical way to move air throughout your living space. Creating its own electricity and pushing up to …