bluu unit acquires ACI and Heuberger Kälte Klima GmbH
Ludwigsburg / Düsseldorf / Bayreuth / Friedberg/Hessen (Germany), August 4, 2025 - bluu unit, a Triton Smaller Mid-Cap Fund II portfolio company and a fast growing alliance of regionally strong companies in the field of sustainable refrigeration, air conditioning, and ventilation technology, has acquired ACI Group based in Düsseldorf, and Heuberger Kälte Klima GmbH based in Bayreuth. Both acquisitions mark significant strategic steps towards strengthening bluu unit’s regional presence and expanding a nationwide network. Details of the transactions are not disclosed.
ACI Group, owner-managed for 30 years, is an established company in the market with a clear focus on refrigeration, air conditioning, and ventilation technology. It unites three specialised companies under one roof, offering comprehensive solutions in the areas of refrigeration system engineering, building services, and electrical engineering with 46 employees and 24/7 service.
With Heuberger Kälte Klima GmbH, bluu unit gains a renowned specialist in commercial refrigeration and air conditioning technology with over 90 years of industry experience. Its 81 employees across four locations have particular expertise in working with CO₂ systems and contribute additional experience with natural refrigerants to the alliance. In addition to its headquarters in Bayreuth, the company also operates in Munich, Coburg, and Friedberg in the Rhine-Main region.
About bluu unit
Together, bluu unit develops sustainable, future-proof solutions that deliver both economic and ecological benefits. In 2025 alone, four groups consisting of seven independent specialist companies with more than 180 employees have already joined the alliance – a strong signal of its attractiveness.
bluu unit's goal is to offer high-quality and future-ready solutions throughout Germany in the fields of refrigeration, air conditioning, and ventilation technology — solutions that are better. Better for people and the environment.
Its range of services, with a focus on innovative technologies and natural refrigerants, extends from consulting and project planning to installation and maintenance.
For more information: www.bluu-unit.de
About Triton
Founded in 1997 and owned by its partners, Triton is a leading European mid-market sector-specialist investor. Triton focuses on investing in businesses that provide mission critical goods and services in its three core sectors of Business Services, Industrial Tech, and Healthcare.
Triton has over 150 investment professionals and value creation experts across 11 offices and invests through three complementary “All Weather” strategies: Mid-Market Private Equity, Smaller Mid-Cap Private Equity, and Opportunistic Credit
