Seasoned Wood
Burn only seasoned wood for a cleaner flue. This refers to wood that has been dried for at least six months. Seasoned wood burns more efficiently and produces less smoke and creosote.
Identifying seasoned wood is easy: it has cracks in the ends and a darker color compared to freshly cut wood. It's also lighter in weight, indicating that moisture content is low.
Hardwood vs. Softwood
Hardwoods like oak, hickory, and maple are denser and burn longer and hotter than softwoods, which means less creosote buildup in your flue.
While softwoods like pine ignite easily, they tend to produce more residue, which can contribute to more frequent chimney cleaning needs.
Avoiding Problematic Wood
Avoid burning green or unseasoned wood as it can lead to significant creosote buildup and increase the risk of a chimney fire.
Do not burn treated or painted wood. Chemicals in these materials can be harmful when burned and may leave toxic residue in your chimney.