The remote heat of combustion is slightly higher than that of birch. Why is it more profitable to buy a cubic meter of birch firewood than pine firewood? The price of firewood is the same. Density of pine 510 kg / m3 Density of birch 640 kg / m3
Birch firewood is denser, so it burns longer on average than pine firewood. For a home stove, it is not the specific heat of combustion of pine that is higher (this is not a wood-burning power plant) that makes more sense, but the duration of burning firewood, which is longer for birch. And since the price is calculated not per unit mass of firewood, but for their volume, then in one cubic meter there will be a greater mass of birch firewood than pine firewood, and they will burn longer, so they are more profitable for a home stove. 1 m³ of birch firewood will burn in a longer time than 1 m³ of pine wood, although it releases less heat of combustion.
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