The following diagrams show how a pellet stove and a pellet boiler work to heat a house. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The diagrams below represent the processes of a pellet stove and a pellet boiler to heat a house. Overall, the raw material of a pellet stove and pellet boiler are wooden pellets. The end product of pellet stove is hot air, while the final material of pellet boiler is hot water. The wooden pellets are putted in the fuel hopper of the pellet stove then it passes through the fuel feed to the combustion chamber, where it is burned secreting ashes into the ash pan. After that, the hot air is released from the combustion chamber and it is modified using controls and exits the combustion fan. The smoke is extruded from rear panel through the exhaust duct. On the other side, the wooden pellets are inserted inside the pellet boiler and then it burn inside the furnace with the cold water and the ash waste is collected inside the ash receptacle. At the end of burning process, the hot air goes and heats the living room, the first and the second bedroom. The smoke is extruded through the smoke stack.