Wood moisture approximate value
for firewood
Note: Above table is reference for checking the status
of firewood. If the measured wood moisture level is
15 % or below, the firewood is ideal for heating. If the
measured wood moisture level is from 16 to 20 %, the
firewood is medium dry. If the measured wood moisture
level is 21 % or above, the firewood is not suitable for
heating and further drying is necessary.
22
GB/IE/NI
6–
15 %
16–
20 %
21–
X
44 %
ideal for
heating – high
heating value
restricted
heating – low
heating value
not suitable
for heating –
further drying
necessary