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  • Region: Europe
  • Topics: Geothermal
  • Date: 1st April 2026

DrillHeat, a specialist in the decarbonisation of buildings through shallow geothermal energy, has completed its 100th installation, carried out near Clermont-Ferrand, France, for biotechnology company Greentech.

The system, which involved the installation of 24 vertical geothermal probes, each 200m deep, will supply Greentech’s new site with local, continuous, low carbon heat, enabling Greentech to integrate renewable energy directly into its industrial operations while reducing its reliance on fossil fuels, in line with its CSR commitments and carbon footprint reduction objectives.

The construction of its new 9,000 sq m facility, which contains production, storage, laboratories, and office space, reflects this approach and strengthens the company’s energy resilience at a time of geopolitical uncertainty.

“Geothermal energy emerged as the most relevant solution for our future site: a local, reliable resource fully aligned with our environmental commitments,” said Jean-Yves Berthon, president of Greentech. “With DrillHeat, we found a responsive and committed partner, capable of understanding our industrial constraints and rapidly deploying a high performance installation. This collaboration reinforces our choice and marks an important milestone toward a more autonomous and sustainable energy model.”

“This 100th project reflects our ambition: delivering concrete, local, and long lasting solutions that advance decarbonisation and energy sovereignty. With Greentech, we demonstrate how geothermal energy can be seamlessly integrated into an industrial process,” added Patrice Landolt, CEO of DrillHeat.

A subsidiary of Arverne, a leading French provider of geothermal solutions, DrillHeat possesses a large fleet of shallow-geothermal drilling rigs and has drilled 130,000m of geothermal probes. When combined with a geothermal heat pump, these systems provide sustainable heating and cooling for all types of buildings. The company has installed systems in a wide variety of business and industrial settings in both new and existing buildings throughout France, from hypermarkets to industrial sites, museums and office buildings, with major clients including Eiffage, E. Leclerc, Galeries Lafayette, Icade, Idec and Sisley.