Pellet boiler – simple and safe heating with pellets

A pellet boiler is a modern way to heat your home or property using bioenergy. It replaces oil, electricity, or older wood-burning boilers and uses wood pellets as fuel.

Pellets are small, compact cylinders made from compressed sawdust. They contain a lot of energy in relation to their size and are easy to store and handle. This makes pellet boilers a practical alternative for those who want a sustainable solution without complicated handling.

When are pellets the best solution?

  • Why choose a pellet boiler?

    There are several reasons why many people choose pellets:

    ✔ High energy content in a small space
    One kilogram of high-quality pellets provides approximately 4.8 kWh of energy. This means that you get a lot of heat from relatively small volumes of fuel.

    ✔ Low ash content
    Pellets have low moisture content and burn efficiently. Very little ash is produced, and what remains is natural.

    ✔ Easy storage
    Pellets are stored in a pellet storage facility (silo), often 6–7 m³ for a normal property, and up to 85 m³ silo. It is also possible to connect several silos for larger facilities. It takes up less space than wood chips.

    ✔ Stable and consistent quality
    Since pellets are manufactured industrially, they are of consistent quality. This allows the boiler to operate efficiently and stably.

    ✔ Renewable energy
    Pellets are a biofuel. When burned, they do not release any new fossil carbon dioxide, making them a more climate-friendly alternative than oil and gas.

  • What effect do you need?

    Pellet boilers come in different sizes depending on how much heat is required.

    Smaller buildings: 20–60 kW

    Medium-sized properties: 80–301 kW

    Larger facilities: up to 499 kW.

    All HERZ can also be connected in series in a cascade. Up to eight boilers can be connected in the same system.

    Correct dimensioning is crucial for economical and stable operation.

    Herz Firematic the technology behind the solution

    Herz Firematic a modern bioenergy boiler developed for operational reliability and long service life.

    It is equipped with:

    ✔ Lambda sensor that optimizes combustion

    ✔ Low emissions in accordance with eco-design requirements

    ✔ Remote monitoring capability

    This means you get a solution that is effective, controllable, and built to last for many years.

  • How does the pellet boiler work?

    A modern pellet boiler is largely fully automatic.

    Pellets are automatically fed into the burner.

    Combustion is controlled electronically to provide the right amount of power.

    The heat is transferred to the property's or district heating network's system.

    The ashes are collected automatically in an ash container.

    This means you don't have to stand there and feed fuel manually. The boiler senses how much heat is needed and adjusts its operation accordingly.

    Automatic cleaning and low labor requirements

    To ensure that the boiler maintains high efficiency, important parts are cleaned automatically. This maintains efficiency over time and reduces the need for manual cleaning.

    The only thing that normally needs to be done is:

    ✔ Empty the ashtray regularly

    ✔ Check the facility periodically

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