High quality wood pellets (Biofuel as alternative power energy) High quality wood shavings and sawdust (for horses and animal bedding) The calorific value of wood pellets is 4300 5100 kcal / kg. Coefficient of Performance (COP) for heating systems is 85% 95% (efficiency of wood-burning fireplaces is 70%) due to its qualities, the pellets burn almost completely. The time between two successive loads of fire is between two and five days. For comparison the calorific value of firewood is 3440 kcal / kg. Low ash content.