When a tree dies naturally in its environment, in the process of decomposition it releases an amount of CO2 which is the same amount as generated if that firewood is burned.
Therefore, even if you use wood to burn, you do not contribute to the greenhouse effect.
You are environmentally friendly.
This is a new standard approved by the EU that has come into force on 1 January 2022. This standard makes it compulsory for stoves to have:
Did you know that for every additional 1% of efficiency you can save up to 15 € per season?
Difference of 10% in the efficiency of a stove means savings of more than €150 during each season. That is €750 over a five-year period. In many cases, it means all or a larger part of the cost of the stove itself.