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Berlin, Germany 501–1,000 employees thermondo.de
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Thermondo
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About Thermondo

Company Overview

Name

Thermondo GmbH

Headquarters

Berlin, Germany

Founded

2013

Size

Approximately 800 employees nationwide, including nearly 500 tradespeople (source: mckinsey.com)

What They Do

Thermondo is a Berlin-based company specializing in the planning, sales, installation, and servicing of heating systems for residential homes. Their focus is particularly on heating system modernizations and replacements with heat pumps, supported by proprietary software and a digitized operational model (source: thermondo.de). The company combines craftsmanship, technology, sales, and office functions to deliver efficient and sustainable heating solutions, including photovoltaic and storage technologies (source: linkedin.com). Thermondo positions itself as Germany's largest heating installer and a driving force behind the energy transition in single-family homes, with its digital platform and optimized service processes as key competitive advantages (source: mckinsey.com).

Projects & Track Record

Since its founding, Thermondo has completed more than 55,000 heating installations across Germany, making it the largest provider in this field (source: thermondo.de). In particular, over 35,000 heating system replacements in single- and two-family homes have been carried out, resulting in CO savings of more than 730,000 tons (source: redstone.vc). The company operates around 50 installation teams nationwide, coordinated from its Berlin headquarters to ensure comprehensive coverage (source: eneco.com).

Recent Developments

In August 2026, it was reported that Thermondo expects to achieve a positive consolidated EBITDA for the first time in 2026, with projected revenues exceeding 275 million euros and revenues of around 212 million euros in 2025 (source: startbase.com). Additionally, the company plans to have installed a total of 20,000 heat pumps by the end of 2026 and aims for at least 10,000 installations annually going forward (source: startbase.com). In 2023, Thermondo was described by McKinsey as one of Germany's largest cleantech companies with more than 800 employees (source: mckinsey.com).

Working There

Thermondo employs a diverse team of craftsmen, technicians, sales, and office professionals, with a focus on digital product development and customer service, primarily based at their Berlin-Kreuzberg location (source: linkedin.com). The company culture emphasizes trust, teamwork, and continuous improvement, supported by monthly "thermonday" events and benefits such as Urban Sports Club and nilo.health memberships (source: linkedin.com). Current job openings include Senior Full-Stack Engineer, Mobile Engineer, and Engineering Manager roles, offering attractive conditions like flexible remote work, job bike options, and an annual training budget (source: linkedin.com).

Last updated Sep 27, 2026 · Report an issue

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