Monitoring CHRS & Installing Compost Heating

Our partner Stichting Biomeiler hosted a workshop in Harpen, Netherlands, focusing on the documentation, monitoring, and analysis of Compost Heat Recovery Systems (CHRS). This initiative brought together local innovators and stakeholders to explore the potential of CHRS using chicken manure, marking a significant milestone for the TEAPOTS project.

CHRS is an innovative concept that offers dual benefits: improving soil health and recovering heat generated through composting. However, these systems often struggle with stability, limiting their effectiveness and broader adoption. The workshop marks a critical step toward building a more systematic understanding of how these systems function and how they can be optimised.


The team has already gathered valuable insights, including:

  • Effective monitoring and control are essential to keep the microorganisms in the thermophilic phase.

  • Practical feedstock storage solutions and experiences with the condenser heat-exchanger.

  • Cost-effective aeration methods, both passive and active.

This work is crucial for the TEAPOTS project as the insights and data gathered will directly support the implementation of CHRS systems in the Greek and Sicilian TIS pilots.


Stichting Biomeiler has also collaborated with Utrecht University to bring student-led innovation to life. At the university's De Tolakker farm, a team of experts and students—including 21-year-old Lasse Lamet—has designed a compost-heating system using wood chips, water, and cow manure. Their compost heap generates energy through evaporation and fermentation, to eventually heat nearby university offices. This project highlights the role of young innovators in driving sustainable energy solutions forward.

These activities reflect the core mission of TEAPOTS: to connect research with practice and support the transition to sustainable, community-driven technologies.

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TEAPOTS at CPERI’s ERA 2025 Conference