12 Blades Fireplace Fan Wood Stove Fan Heat Powered for Wood Burning & Fireplace. VODA Wood Stove Fan Heat Powered 12 Blades Fireplace Fan, Large Eco Stove Top Fan for Wood Burning/Log Burner/Fireplace. 12 Blades, Large Air Volume? The wood stove fan is equipped with 12 Blades, triple fans and Triple Motors, has Faster Speed and Larger Air Volume than 8 Blades. The fireplace fan is designed to circulate the warm air created by a log wood/ coal/ pellet burning. Efficiently circulates warm air throughout the room. No Electricity Needed? It is not like the electric fan, not so much air volume, but enough to blow the hot air to the whole room. It generates power by converting the heat from your fireplace or wood burning stove. Highly effective at distributing heat throughout the entire house nicely. Overheating Protection & Longer lifetime? There is a Bi-metallic safety device in the base of the stove fan. If the surface temperature rises above around 653°F /345°C, the safety device gently elevates the front of the fan to protect the motor. Whisper Quiet? The only moving part is the blade of the wood stove fan assembly. Silent running, say goodbye to the terrible noise. You don’t even know this eco fan is there, but you feel warm! You will enjoy the warm air in a quiet and comfortable environment. Working Temperature? The general working temperature of the stove fan is 185°F – 653°F(85°C – 345°C). Usually the fan gets spinning at about 140°F /60°C, and turns most efficiently when the temperature reaches about 390°F-570°F.