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Heating Efficiency

Calorific Values of Different Wood Species

Calorific value tells how heating efficient wood from a certain tree species is. Two kilos of completely dry, high-quality wood is as energy-efficient as one litre of fuel oil.

In the table below are the estimated heat values of different wood species.

Wood speciesHeat energy kWh/kgHeat value kWh/m³ˢᵗ
birch4.151 700
pine4.151 360
spruce4.101 320
alder4.051 230
aspen4.001 330

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