Firewood

The Forestry Commission report that moisture content has a greater effect on calorific value of firewood than any other variable.  To burn the log must dry before it combusts.  This uses up valuable energy that could go into heating your…

Wood density depends on lots of factors including the age of a tree and the habitat conditions in which it grew, but generally speaking hard wood species tend to be more dense than softwoods.  Denser wood will burn for longer…