Pellet boiler

Pellet central heating systems are used in single family homes, and in larger residential, commercial, or institutional applications.

In order to improve energy efficiency and reduce harmful emissions, pellet boilers are usually combined with buffer systems, such as insulated water tanks.

The control technology of the system regulates the fuel input gradually in order to match the required heat output.

Depending on the specific system, the supplied wood pellets are automatically ignited either with hot air blowers or from a permanent ember bed in the combustion chamber.

The hot flue gases are led into the chimney via a heat exchanger with manual or automatic cleaning of the reheating surfaces.

The wood pellets are stored in bulk in a tank or storage area and supplied to the burner by means of a conveyor system.

Blower systems can be used flexibly and feed distances up to 20 m. The discharge from the storage room or container is usually also supported by an inclined tank bottom or a hopper outlet.