This is the very newest Stirling engine powered stove fan. Once again it runs solely by the heat from a stove and requires no external power source such as a battery or mains power. This newer version can run at lower temperatures and is much quieter than the previous Stirling engine powered fans.   For more info on: Whisper Stirling Powered Stove Fan

This Stirling engine powered fan is powered solely by the heat from a stove. It requires no external power source such as batteries or AC power. The fan circulates the stove’s warmth quietly, efficiently and inexpensively. These fans use a different way to power themselves compared to the ecofans.   For more info on: Heatwave Stirling Powered Stove Fan