Firewood is a wood matter that is collected and used as fuel. Collecting firewood's differ by culture and region. Firewood can be hard or soft. Firewood gives less burn and with more heat generates less creosote which is the root of most flue fires. These are finest in cutting and support firewood, wood burner or temperate up the cottage in an instant. The greatest time to cut firewood is when the trees get rid of their leaves.