Nothing is 100% efficiency, but if it can get to the high 90%, that’s awesome.
This is something that you could build for your farm or house to keep the barn or house warm instead of the grid.
This is something that you could build for your farm or house to keep the barn or house warm instead of the grid.
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The soapstone lined wood heaters have for decades recognized the value of capturing high heat output to later release it to provide a more uniform and steady supply of heat in the home.
https://fireandsaw.com/best-soapstone-wood-stoves/