Enerin bags €15M to turn a 200-year-old engine into the future of clean heat: 'All about economics'

From left: Stefan Mård (Climentum), Kristian Løver (Enerin), Sofie Käll (The Footprint Firm), and Arne Høeg (Enerin CEO). Credit: Press photos/Impact Loop mockup
25 nov. 2025
13:48
From left: Stefan Mård (Climentum), Kristian Løver (Enerin), Sofie Käll (The Footprint Firm), and Arne Høeg (Enerin CEO). Credit: Press photos/Impact Loop mockup
This Norwegian startup is betting that a reinvented Stirling engine can provide industrial heat cheaper and more reliably – and investors including Climentum Capital and The Footprint Firm are buying in.

We spoke to Stefan Mård, partner at Climentum, to find out why they invested.

Norwegian industrial heat startup Enerin has raised €15m in Series A funding to push an industrial heating system based on centuries-old technology into serial production – and replace fossil-fuelled boilers at scale.

Climentum Capital co-led the round alongside The Footprint Firm, Johnson Controls, and Move Energy with participation from PSV Hafnium and Momentum Partners. The investment marks the first major step in Enerin’s plan to scale its system globally.

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