nuuEnergy raises €4.3M to scale regional heat-pump installations

Munich-based energytech startup nuuEnergy, a company rethinking the heat pump industry as a premium-quality provider, has secured €4.3 million in seed funding to accelerate its mission of building regional heat-pump installation businesses. The round was led by amberra, the corporate venturing studio of the Cooperative Financial Network Volksbanken Raiffeisenbanken, with participation from EnjoyVenture and existing investors HTGF, Vireo Ventures, better ventures, and Bynd Venture Capital.

The heat pump sector has seen strong growth in recent years despite a slowdown in 2024. Around 229,000 units were sold last year, and annual installations could reach up to 500,000 by 2030, according to the German Heat Pump Association. While heat pumps can significantly reduce building-related CO₂ emissions, growth remains constrained by skilled labour shortages and inefficient installation processes.

Founded in late 2023, nuuEnergy aims to address these challenges through a locally focused, digitally supported installation approach. The company generates revenue through planning, installation, and long-term maintenance contracts, with additional income from services such as water treatment systems and energy consulting.

To build regional specialist businesses, or “hubs,” nuuEnergy focuses on attracting skilled workers through modern software tools and structured working conditions. The company positions itself between traditional craft businesses and digitally focused installation models. Digitised processes and on-site system planners support tailored technical planning for each building and aim to improve installation efficiency.

Commenting on the funding, Tobias Klug, co-founder of nuuEnergy, said customers are looking for local partners that guide them through the full process, from planning to installation and service, adding that the new investors will support the development of the company through both capital and expertise. He also noted that cooperative banks can provide tailored financing options to support local heating transition projects.

Julia Rafschneider, co-founder of nuuEnergy, added that the approach strengthens the company’s regional, quality-focused strategy and supports its skilled workforce.

The newly raised capital will be used to expand regional specialist businesses and further digitise the installation process.

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