What is Thermondo?
Thermondo operates as a specialized heating service provider, streamlining the complex process of replacing legacy heating systems with modern, energy-efficient alternatives such as heat pumps. By offering a comprehensive, end-to-end solution that encompasses professional consulting, fixed-price installation, and navigation of complex funding assistance, the company effectively removes barriers to entry for homeowners. Beyond heating, Thermondo has expanded its operational footprint to include photovoltaic systems and advanced energy management, positioning itself as a central hub for residential decarbonization and energy efficiency optimization.
How much funding has Thermondo raised?
Thermondo has raised a total of $119.2M across 6 funding rounds:
Other Financing Round
$787K
Series A
$3M
Series B
$6.8M
Series C
$26.1M
Other Financing Round
$24.4M
Other Financing Round
$58.2M
Other Financing Round (2013): $787K with participation from IBB Ventures and 10x Group
Series A (2014): $3M led by IBB Ventures and E.ON
Series B (2015): $6.8M supported by Rocket Internet, E.ON, IBB, Grey Corp, and Holtzbrinck Ventures
Series C (2016): $26.1M featuring E.on, Holtzbrinck Ventures, Berlin Investment Bank, and Global Founders Capital
Other Financing Round (2017): $24.4M backed by Vorwerk Direct Selling Ventures, Investitionsbank Berlin, and HV Holtzbrinck Ventures
Other Financing Round (2025): $58.2M, investors not publicly disclosed
Key Investors in Thermondo
E.ON
E.ON is a major European operator of energy networks and infrastructure, providing innovative customer solutions focused on the transition to sustainable energy systems.
Holtzbrinck Ventures
A prominent venture capital firm with a global reach, specializing in backing high-growth technology companies and digital platforms across various international markets.
IBB Ventures
The venture capital arm of the Investitionsbank Berlin, dedicated to supporting innovative startups and fostering economic growth within the Berlin business ecosystem.
What's next for Thermondo?
With the recent capital injection, Thermondo is well-positioned to accelerate its market penetration and enhance its technological infrastructure. The company is expected to focus on scaling its installation capacity and refining its digital energy management platform to meet the rising demand for sustainable home solutions. As regulatory pressures to reduce carbon footprints intensify across Europe, Thermondo's ability to provide a seamless, tech-enabled transition to green energy will likely remain a core driver of its long-term growth and strategic value in the clean-tech sector.
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