After a period of significant reduction ininterest heating boilers for severalyears, we are seeing a significantincrease in sales and interest in thesedevices. Today the term boilerstałopalnego no longer bears the bouncer the size of a small time she haddone to the smoker poured coal shovel. These devices have significantlyimproved their efficiency, techniquesupport and importantly reduced theirsize. Heating boilers are not onlypopular once-boilers for coal. Solid fuelas a typical coal displaced is alternativesources of energy, cheaper inproduction, ekonomiczniejszymi, fulfilling what once tougherenvironmental requirements such ascoal. Heating boilers fitted with arange of amenities such as adequatecombustion control, the ability to workin a closed system and fuel feeders are becoming an alternative to other heatsources.