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Kiln dried logs vs seasoned firewood - which is best?

Kiln dried logs and seasoned logs are both a good choice if you’re buying logs for your open fire or wood burner. But is one better than the other? In this blog we cover the pros and cons of kiln dried logs vs seasoned firewood. 

Kiln dried logs

Kiln dried logs are slowly dried in an industrial kiln, a process that removes excess moisture from the firewood. Somerlap’s kiln dried logs typically have a moisture content of around 20%.


  • The logs are ready to burn immediately.
  • The lower moisture content means the logs create more heat and generate a cleaner burn.
  • Kiln dried logs can be bought when needed, reducing the need to store large quantities of logs.


  • Kiln dried logs can be more expensive than unseasoned wood. However, they do burn more efficiently which will help reduce any cost difference.

Seasoned firewood

Seasoned firewood is wood that has been left out to season, or air dry naturally. It’s best to buy unseasoned wood and season it yourself as it’s difficult to know how well seasoned wood has been stored. When bought, unseasoned logs will have a moisture content of around 50-60%, which will go down to around 20%-30% when properly seasoned.


  • Good value.


  • Space is needed for seasoning and storing.
  • Needs to be seasoned (dried out) before it can be used.
  • Less heat and less efficient burn than kiln dried logs.


Both kiln dried logs and seasoned logs have their pros and cons. If cost is the primary concern (and you have enough space available for seasoning) opt for seasoned firewood. If you need wood immediately or don’t have space to store large quantities of wood, kiln dried logs would be the best choice.

Firewood from Somerlap

Stay warm this winter with our range of logs and quality firewood all of which are suitable for woodburners or open fires. We can even deliver.

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