Skip to content

Eco-friendly heating

Modern
& efficient
heating
systems

Read more
Hargassner - Heating technology of the future | Biomass pioneer | Pellet, log wood and wood chip heating systems
Trees reflected in the lake

Best service & support

Gilles
is now
Hargassner

Read more
Logo Gilles is now Hargassner | Biomass Heating
Exterior view of Hargassner Energy World Weng

    Hargassner - heating technology of the future

    Extensive know-how, over 40 years of experience and a great feel for environmentally friendly heating and renewable energy: all this is evident in Hargassner's innovative biomass heating systems.

    Learn more

    Pellet boilers for
    every requirement

    Pellet Boiler

    Hargassner pellet boiler are enormously energy-saving, powerful and versatile - for every need.

    Learn more
    Nano-PK 6-15 Pellet heating Hargassner

    State-of-the-art
    wood log gasifier technology

    Wood Log Boiler

    Hargassner wood log boiler combine first-class efficiency with the lowest emission values.

    Learn more
    Neo-HV 20-60 Hargassner

    Highly efficient combination boilers for firewood and pellets

    Combi Boiler

    Smart-DUO: our new high-end combi for comfort & independence.

    Learn more
    Smart-Duo combination heater 17-30 kW | Heating

    Innovative and affordable
    heating with wood chips

    Wood Chip Boiler

    Modern wood chip heating systems from Hargassner combine comfort, flexibility and efficiency.

    Learn more
    Eco-HK 20-60 Hargassner

    Solar panels -
    Use the power of the sun

    Solar Panels

    Saving energy & costs starts on the roof.
    Combine biomass heating with solar & profit.

    Learn more
    Solar collector TS 300 | View with section of inner workings | Hargassner

    Highest efficiency for
    industry & trade

    Industrial Boiler

    Sustainable solution for industrial heating needs.

    Learn more
    Industrial heating Magno-SR front without attachments

    Heating modules -
    Practical, affordable & versatile

    With Eco-Box, Heating module & Powerbox
    you can heat everything.

    Learn more
      Show all products More about biomass

      CO2 neutral and sustainable for our future

      Biomass
      heating
      systems

      Hargassner biomass - the perfect choice

      Technology from Austria

      Biomass heating pioneers

      GILLES / HARGASSNER is a manufacturer to offer single boilers ranging from very small 6 kW to massive 2.5 MW!

      Learn more

      Top performance

      The most modern heating technology from Austria

      High annual investments in research and development make GILLES / HARGASSNER boilers a reliable choice.

      Learn more

      Direct support with benefits

      The manufacturer’s know-how

      As a manufacturer, we have always focused on direct contact with end customers and offer direct access to our experts.

      Contact us

      Modern and highly efficient heating systems for the UK

      HARGASSNER offers solutions for private households, for agriculture & forestry, for trade & industry, for catering & hotels as well as for public buildings in the UK.

      View all references
      News Filter
      Branchen-Filter
      Heizungstyp-Filter

      CompanyNews

      HARGY – Your personal AI support assistant

      The new Hargassner AI ‘HARGY’

      A laughing robot in front of a Hargassner laptop as a metaphor for AI support
      Learn more

      BiomassBlogNews

      Smart renovation with combi boilers

      Heat from pellets or wood logs as the first choice for sustainable heating refurbishment

      Man drives woman sitting in a wheelbarrow on construction site laughing
      Learn more

      AwardsCompanyNews

      Timber Construction Award
      for wooden parking deck

      Hargassner’s new wooden parking deck wins timber construction award

      The trophy for the Upper Austrian Timber Construction Award 2025 in front of the entrance to the Hargassner timber car park
      Learn more

      BlogCompanyNews

      Wooden Parking Deck at Hargassner Headquarters

      A statement for sustainability

      View of the timber facade of the multi-storey car park | Update Hargassner Service Centre
      Learn more

      CompanyFairNews

      Hargassner at the Low Carbon Agriculture Show

      A Step Towards Sustainable Farming

      Booth of Hargassner UK at the Low Carbon Agriculture Show 2025
      Learn more
      See all news

      In your region

      Contact us
      for individual
      consultation

      Contact us
      Business partner
      0UK-EN Actionbar