Bluu unit Strengthens German Network with ACI Group and Heuberger Kälte Klima Acquisitions

Bluu unit Strengthens German Network with ACI Group and Heuberger Kälte Klima Acquisitions

(IN BRIEF) Bluu unit, backed by Triton Smaller Mid-Cap Fund II, has expanded its sustainable HVAC&R alliance by acquiring ACI Group (Düsseldorf) and Heuberger Kälte Klima GmbH (Bayreuth), adding 127 employees and deepening expertise in refrigeration, air conditioning, ventilation, and natural-refrigerant systems. These strategic buys—terms undisclosed—reinforce bluu unit’s ambition to establish a nationwide network delivering eco-efficient solutions from consulting through service. Since early 2025, the alliance has grown to seven specialist companies and over 180 staff, underscoring its rapid appeal in the German market.

(PRESS RELEASE) LUDWIGSBURG / DÚSSELDORF / BAYREUTH / FRIEDBERG/HESSEN, 4-Aug-2025 — /EuropaWire/ — Bluu unit—a portfolio company of Triton Smaller Mid-Cap Fund II and an expanding alliance of regionally leading firms in sustainable refrigeration, air conditioning, and ventilation—has bolstered its German footprint with two new acquisitions: Düsseldorf-based ACI Group and Heuberger Kälte Klima GmbH from Bayreuth. While financial terms remain confidential, these deals significantly enhance bluu unit’s nationwide network.

ACI Group, a family-run business for three decades, brings together three specialist entities under one umbrella, delivering turnkey solutions in refrigeration system engineering, building services, and electrical engineering. Its team of 46 technicians provides round-the-clock support.

Heuberger Kälte Klima, with over 90 years of heritage, contributes deep expertise in commercial refrigeration and air-conditioning technologies, particularly CO₂-based systems and other natural refrigerants. Operating from Bayreuth, Munich, Coburg, and Friedberg (Rhine-Main), its 81 employees will now join the bluu unit alliance.

Since the start of 2025, bluu unit has welcomed four new groups—seven specialist companies in all—growing its alliance to more than 180 employees. The collective’s mission is to deliver high-quality, future-proof HVAC&R solutions that marry economic performance with environmental stewardship. Services span consulting and design through installation and maintenance, with a strong emphasis on innovative technologies and natural refrigerants.

Triton—a partner-owned mid-market investor founded in 1997—focuses on mission-critical businesses across Business Services, Industrial Tech, and Healthcare. With over 150 investment professionals in 11 offices, Triton deploys three complementary strategies: Mid-Market Private Equity, Smaller Mid-Cap Private Equity, and Opportunistic Credit.

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

Media Contact:

Tel: +44 207 297 6150
Email: media@triton-partners.com

SOURCE: Triton Investments Advisers LLP