Woodsure Approved Fuel is proven to burn with less smoke and harmful emissions and be less damaging to the environment, improving air quality. With a guaranteed moisture content of less than 20%, Opulence Stoves supplies Kiln Dried Firewood species that has been pre-vetted using the knowledge that we have gained over the years to ensure that we only supply the best quality fuels for your wood burning stoves. We have found that some fuels such as oak struggle to perform well in an EcoDesign stove, and other softwoods will burn too fast, for more information click here.