What is the difference between certification A1 DE 314 and A1 CZ 007 for wood pellets?
Dear experts, I would like to buy wood pellets. The supplier has pellets in its range that are either certified according to A1 CZ 007 or after A1 DE 314. Are there significant differences in quality here? I live in a town near the border with the Czech Republic, which is why I suspect that…