We recommend the use of split hardwood (beech and birch) that has been stored outdoors under cover for at least 1 year. Wood that has been stored indoors tends to become too dry and will burn too quickly.

We recommend to fell the wood during the winter when a lot of the moisture in the wood will have been drawn down into the roots. In order to achieve the optimum combustion, the wood’s moisture level should not exceed 18 %, which roughly corresponds to storing the wood under cover outdoors for one year. The moisture level of the wood can be measured using a moisture meter or by applying dishwashing liquid to one end of the log and blowing air in the other end. If the wood is dry enough, soap bubbles will appear. Learn more here. 

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