A clear conscience without compromising comfort?

Heating with pellets or wood chips protects the environment.


For renovating, new build or replacing an old boiler is the right solution for heating for every purpose:

Economical heating systems tailored to your requirements. GILLES / HARGASSNER offers efficient heating systems that provide the best solutions for renewable energy sources (very low emissions, high efficiency, low consumption). GILLES / HARGASSNER solutions for pellets, wood chips and logs are guaranteed to be sustainable and CO2 neutral!

Pellet and wood heating
produced in Austria:

from Weng to the world


EASY TO MANAGEHigh level of comfort at great prices

No one wants to struggle with an unnecessarily complicated control. GILLES / HARGASSNER heating systems are very easy to operate. Intuitive navigation of the menu with images makes the operation of heating control as simple as it can be. Via a smartphone or tablet you can monitor and control the system even while you are on vacation. The great price-quality ratio of our boiler and economic heating fuel ensure a quick return on your investment.


EXPERIENCE SINCE 1984Quality and robust for a long service life

Our significant experience with industrial heating systems is also reflected in our smaller boilers. The know-how and very robust design guarantee maximum durability. All controls and motors are manufactured by quality reputable manufacturers from Austria and Germany. All design engineering, electrical engineering, design and software is developed by GILLES / HARGASSNER.

INDIVIDUAL PLANNINGKnow how directly from the manufacturer

At GILLES / HARGASSNER, we know our products and know exactly how to best meet your requirements! Therefore, we can adapt the heating system to your individual needs. It will also be installed by one of our own installation teams or selected installation partners.

Local fuel, CO2 neutral and sustainable for our future

Whether you use wood chips, pellets or logs, using wood – a regenerative source – significantly reduces your CO2 emissions. Regional added value also provides local jobs, unlike fossil fuels and gas. State-of-the-art combustion and control technologies ensure highly efficient and clean combustion.

Free and non-binding: We would be happy to advise you!

Our service for comfortable and carefree heating!