Wood Fuel Guide

Wood Fuel Guide

A Guide to Burning Wood on a Log Burner

Any type of wood will burn, however different types of wood logs can have significantly different energy values (calorific values) that your wood burning stove will deliver to the room. Hardwood burns best and longest whereas softwood burns quickly but hot and so are best kept for lighting or reviving the fire.

The moisture content of freshly cut wood is between 50% and 90%. Wet logs such as these will give little heat as the energy is spent boiling off the water. Around 80% of a lump of wood is gas and 20% is charcoal. If the timber is wet, the gasses released when burning will be mixed with steam and so will not reach the temperature required to ignite inside the stove. The unburnt wet gasses will then condensate onto your stove glass and inside your chimney liner while polluting the local environment with excessive smoke particles. 

If wood is stored incorrectly it will take between 1 and 4 years to dry depending on the tree species. To get the optimum heat and efficiency from burning wood, the fuel will need to be around 20% moisture. We pass on the wealth of experience we have gained; advising on every aspect of log supply and log storage that speeds up drying times in your garden to one summer season for all tree types while ensuring your wood burning stove burns as its been designed to.

Fuel For The Future

Processed log pile

15 years of research into processing coppice timber from our local woodlands has given us a unique insight into the potential of wood fuel at a local level. We are surrounded by a variety of species such as Oak, Ash, Birch, Chestnut and Hornbeam, each have their own energy values, moisture contents and characteristics that are relevant when used in wood burning stoves.

Our results have shown that if wood is: Sourced from sympathetically managed sustainable forests, streets and gardens, graded for specific wood performance (calorific value) and stacked correctly, processed using efficient machinery, delivered to the end user locally from where it was processed in measured quantities, stacked into our individually designed drying log stores, dried to a moisture content of 20% or below, burned in a well fitted, high efficiency stove, by a consumer educated in good user practice, then we have the lowest carbon producing bio-fuel available that helps to enhance our local green environment while keeping smoke particle emissions to an absolute minimum. 

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Email scarlett@designafireplace.com


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