BIOFermTM Energy Systems is a Wisconsin-based renewable company providing anaerobic digestion technology for energy generation and waste management to North American operations. Committed to sustainable and economical organic waste diversion, the BIOFermTM technology utilizes anaerobic digestion to harness biogas rising from fermenting organics—food waste, manure, biosolids, etc.—converting it into valuable green energy, heat, fuel, and more.

Through the Viessmann Group, BIOFerm™ has installed over 400 biogas plants globally

Our Story

We are a member of the sustainability-driven Viessmann Group—world renowned manufacturers in the natural gas, oil, solar, and biogas sectors.

Founded in 1917, the Viessmann Group is a family owned business that generates over $2.8 billion in annual international sales volume and maintains a staff of approximately 11,400 employees. Viessmann has 27 production divisions in 11 countries; subsidiaries and representations in 74 countries; and 120 sales offices around the world. Sustainability is firmly embedded into the company’s guiding principles.

Experience and Services

BIOFerm™ has installed over 400 anaerobic digesters globally with Viessmann Group member, Schmack Biogas GmbH, and offers the complete range of digester systems: from low to high solids and from industrial sized to small scale.

BIOFermTM is committed to providing successful digesters to clients; we financially ensure digesters will produce the biogas output agreed upon and offer the industry’s most thorough Performance Guarantee & Warranty.

Our client base encompasses a variety of waste operations: municipalities, agricultural operations, composters, campuses, wastewater treatment facilities, food processers, breweries, and other generators of waste. To ensure support from project start to completion, we offer a complete Scope of Services.

Brand values

As long ago as 1966, our parent company Viessmann, expressed values in the form of our company principles, which today have been carefully adapted yet still remain the guidelines for our corporate identity. As a whole, these values paint a picture of the character of our brand. As individual concepts, they describe the spirit, atmosphere and conduct that characterise our culture, as well as the specific expectations of achievement that develop from it.