CH Four Biogas offers the most comprehensive solutions for the anaerobic digestion (AD) industry across the Western Hemisphere.​

CH Four specializes in the process engineering and design of biogas systems ranging in feedstock from agricultural, municipal, and co-digestion of various inputs. Offering waste handling, pre-treatment, nutrient recovery, and computer modeling services to the systems we support enables us ensure the long-term viability of each project. We are committed to our mission of providing sustainable food waste diversion and clean energy solutions to communities and businesses throughout North America.

Customers can buy back the power generated by their own food waste creating a complete closed-loop energy system. Recognizing the varying needs of our customers, we also offer a full suite of implementation services from Owner-Built to DBFOO (Design, Build, Finance, Own and Operate), as well as complementary services (such as feedstock sourcing and project financing) through our trusted partner companies. 

We look forward to working with you on your digester project. 

Your Team at CH Four Biogas

CH Four Biogas specializes in the design, installation and optimization of anaerobic digestion systems for the agricultural, industrial and municipal sectors throughout North and South America – Construction Management every step of the way!

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Is a Digester System right
for your operation?

CH Four Biogas will guide you in determining both the technical and economic viability of your proposed project. Our Digester Site Assessment Form will help initiate the feasibility study process. The form can be completed digitally, or can be printed and faxed. Or simply call  and we'll work with you to obtain the information. Click here to learn more about our feasibility process.

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