Category: News
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From engineering office to international partner to the energy industry – Hartmann Valves celebrates its 80th anniversary
Medium-sized family business invites to Open Day on August 22nd in Ehlershausen Celle/Ehlershausen. When Dipl.-Ing. Werner Hartmann founded his company in Ehlershausen in 1946, it was hardly foreseeable that valves from this location would one day be used in energy systems worldwide. Today, the Celle-based family business employs around 230 people at its production sites…
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From engineering office to international partner to the energy industry – Hartmann Valves celebrates its 80th anniversary
Medium-sized family business invites to Open Day on August 22nd in Ehlershausen Celle/Ehlershausen. When Dipl.-Ing. Werner Hartmann founded his company in Ehlershausen in 1946, it was hardly foreseeable that valves from this location would one day be used in energy systems worldwide. Today, the Celle-based family business employs around 230 people at its production sites…
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New Technology for Geothermal Energy Utilization
The Eavor-Loop™ system is a groundbreaking new technology for harnessing deep geothermal energy. With its new system, Eavor Technologies Inc. offers an underground heat exchanger that operates without the use of thermal water from the subsurface. Through the self-circulating heat transfer medium in loops, energy can be drilled for independently of location. This closed loop…
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From engineering office to international partner to the energy industry – Hartmann Valves celebrates its 80th anniversary
Vom Ingenieurbüro zum internationalen Partner der Energiebranche – Hartmann Valves feiert 80-jähriges bestehen Medium-sized family business invites to Open Day on August 22nd in Ehlershausen Celle/Ehlershausen. When Dipl.-Ing. Werner Hartmann founded his company in Ehlershausen in 1946, it was hardly foreseeable that valves from this location would one day be used in energy systems worldwide.…
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Hartmann Valves strengthens presence in the North American market for geothermal and HP/HT applications
Hartmann Valves stärkt Präsenz im nordamerikanischen Markt für Geothermie- und HP/HT-Anwendungen Celle, June 2026. Developments in the European geothermal market are increasingly gaining momentum in Canada and North America. In particular, Enhanced Geothermal Systems (EGS) and demanding HP/HT applications are becoming key growth drivers in the course of the global energy transition. Driven by decarbonization,…
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Hartmann Valves Opens New Service Location in Southern Germany
Hartmann Valves eröffnet neuen Service-Standort im Süden Deutschlands Mengkofen, February 2026 – Hartmann Valves GmbH is expanding its presence in the rapidly growing geothermal market of southern Germany and opening a new service location in Mengkofen, near the A92 highway at Dingolfing. The deep geothermal energy sector in Germany is growing particularly in the southern…
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Hartmann Valves Strengthens Competencies for Safe CO₂ Storage and Utilization
With the ramp-up of Carbon Capture and Storage (CCS) and Carbon Capture and Utilization (CCU), the first CO₂ pipeline networks, compression stations, storage facilities, and industrial process chains are emerging across Europe, presenting entirely new requirements for materials, leak-tightness, and the design of metal-seated valves. Hartmann Valves demonstrates how CO₂ projects can be realized safely,…
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Renewable Energy Summit 2025: Hydrogen and Geothermal Energy in Focus
Renewable Energy Summit 2025: Hydrogen and Geothermal Energy in Focus Celle, September 2025 – With the second Renewable Energy Summit, Hartmann Valves once again created a forum for exchanging views on forward-looking energy technologies. With a focus on hydrogen as an energy carrier and deep geothermal energy, participants discussed current projects, technological developments, and the…
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BUSINESS, SCIENCE AND POLITICS UNITED AT THE RENEWABLE ENERGY SUMMIT 2024
News Celle. The Renewable Energy Summit, organised by Hartmann Valves, brought together experts from business, science and politics at the CD-Kaserne in Celle on June 6, 2024. The event combined the topics of deep geothermal energy and hydrogen. In two parallel presentation tracks on hydrogen and deep geothermal energy, current flagship projects were presented, the…