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Members Directory


Schmack Biogas GmbH

Bayernwerk 8 Schwandorf
+49 9431 751 0

Primary Category

AD equipment or plant supplier

Products & Services

Full-service provider of biogas plants

Since 1995, Schmack Biogas has been setting the standard for biogas plants that are highly efficient and cost-effective to operate. The product portfolio includes plant systems with outputs ranging from 50 kWel for compact plants up to 20 MWGas biomethane plants. Worldwide, over 300 plants have been built. Schmack Biogas has been part of the Viessmann Group since January 2010.

The company’s range of services encompasses the entire biogas value chain: from project development and engineering to feedstock management and operational management. Schmack Biogas is thus one of the few full-service providers in the sector. In addition to technical support, a key area is its comprehensive microbiology service. The company’s in-house research and development laboratory is used to identify and exploit potential efficiencies in the area of process biology. Schmack has won several awards for its innovative technologies and processes.

Specialist in wet and dry fermentation

With systems for wet and dry anaerobic digestion, Schmack Biogas covers the whole field of digestion.

In wet anaerobic digestion, energy crops and organic waste materials from agriculture and the food industry are used as the substrate. Schmack’s biogas plants are distinguished by their high levels of flexibility and reliability. By using high-quality components manufactured in-house, particularly in the key areas of agitator and feeding systems, Schmack is able to offer process- and energy-optimised systems.

In addition, Schmack Biogas also offers BIOFerm dry AD technology for non-pumpable feedstocks. This method is used to convert biogenic waste materials (e.g. municipal bio-waste, waste from agriculture and landscape management) into energy. The requirements for the feedstock are extremely low and it is not necessary to pre-treat the biomass.

Schmack is also active on the international markets. The company has subsidiaries in Italy and the USA in the form of Schmack Biogas Srl in Bozen and BIOFerm Energy Systems in Madison, Wisconsin.

Market leader in gas upgrading

Schmack Carbotech GmbH, Essen was the first company in Germany to develop technologies and processes for upgrading biogas to feed into the natural gas grid. The latest product is the especially energy efficient Low Pressure Swing Adsorption (LPSA). This method requires 25 per cent less electricity compared to conventional Pressure Swing Adsorption (PSA).


Biogas expertise from a single source.

The Viessmann Group is one of the world’s leading manufacturers of heating technology systems. Founded in 1917, this family-owned company employs around 10,600 people and has a group turnover of €1.89 billion.

Viessman has a strong global focus, with 27 manufacturing companies in 11 countries, distribution companies and representatives in 74 countries, as well as 120 sales offices worldwide. International sales account for 54 per cent of turnover.

With its subsidiaries, Schmack Biogas, one of the leading suppliers of biogas plants based on the wet fermentation method, biogas upgrading pioneer Schmack Carbotech and BIOFerm, a company specialising in dry AD systems, Viessmann spans the entire range of expertise in biogas technologies.