Click on the type of firewood for more information:

Wood Type

Heat Output

Tamarack 22.3 MBTU/Cord
Birch 21.3 MBTU/Cord
Red Fir 20.6 MBTU/Cord
White Fir 16.7 MBTU/Cord

MBTU/Cord = Million BTU per Cord

BTU (British Thermal Unit) - the amount of heat required to raise one pound of water one degree farenheight.

Cord - the amount of tightly piled wood in a stack 4 feet wide and 4 feet high by 8 feet long (128 cubic feet).


The Woodburner's Companion: Practical Ways of Heating with Wood





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