SuomeksiHeating 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 species | Heat energy kWh/kg | Heat value kWh/m³ˢᵗ |
| birch | 4.15 | 1 700 |
| pine | 4.15 | 1 360 |
| spruce | 4.10 | 1 320 |
| alder | 4.05 | 1 230 |
| aspen | 4.00 | 1 330 |
