The pellets is a clean, natural and completely harmless to the environment source of biofuel. The pellets are made from sawdust, sunflower husk, different straw and wood shavings, which are milled, dried and pressed into 8 mm diameter cylindrical shaped small pieces. Pellet fuel is a clean and environmentally friendly fuel produced from renewable sources of energy. Pellet combustion produce almost no volatile or hazardous materials. The kilowatt-hour of thermal energy production from wood pellets costs only a little more than the price of firewood.