85-95%.

Piellet boilers make many different types and sets, but general principles are automatic supply of fuel from the bunker, and maintaining the necessary temperature of the coolant. Operations that need to be carried out regularly with pellet boilers — remove the ash and load fuel into the bunker. Ensuring hot water is an option of the boiler, for this it is equipped with an additional contour. Thermal power of household boilers is in the range. for efficiency 85-95%. This is enough for heating even a large house.