You can use every type of firewood in the mass stove: hardwood or softwood (pine, fir tree...) as long as it's dry and not treated. However, softwood has to be placed at the bottom of the combustion chamber and covered with 2/3 of hardwood.
You can use every type of firewood in the mass stove: hardwood or softwood (pine, fir tree...) as long as it's dry and not treated. However, softwood has to be placed at the bottom of the combustion chamber and covered with 2/3 of hardwood.
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