When burning unseasoned wood the moisture has to be driven off the wood before she can start to give off good combustion, the moisture then travels up the flue lowering the flue gas temperatures reducing your updraught speed.
Not only will burning unseasoned wood encourage more creosote to settle in your chimney flue but you will also not gain the full heat value that fully seasoned wood could have offered.
Recommended article: #7 ways to tell if your firewood is seasoned and ready to burn
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This article was written by Jim Chim-in-ey,
An insurance approved chimney sweep
JC sweeps all open fires, wood burners and stoves.
Covering Bournemouth, Poole, Blandford Forum and Dorset.