A cross-sectional view of a biomass boiler in a residential setting. The boiler is medium-sized, suitable for home heating, and is shown in the context of a house's heating system. The cross-section reveals the inner workings of the boiler, including the fuel feed system, combustion area, and heat exchange system. The surrounding scene includes elements of a typical home, like radiators, water pipes, and a thermostat, illustrating how the boiler integrates into a home heating system. --v 6