bluu unit Acquires ACI Group and Heuberger Kälte Klima GmbH

bluu unit Acquires WILMS Kälte‑Klima‑Lüftung Systemtechnik

May 8, 2025

HVAC & Mechanical

bluu unit, a company backed by Triton Mittelstand Fund II, has acquired WILMS Kälte‑Klima‑Lüftung Systemtechnik GmbH, a refrigeration, air‑conditioning and ventilation specialist based in Mönchengladbach, Germany. The add‑on strengthens the capabilities and regional presence of the bluu unit alliance (notably K3 Kälte Klima Köln GmbH) in North Rhine‑Westphalia.

bluu unit (Triton-backed) Acquires Koschke GmbH and HESAN GmbH

March 20, 2025

HVAC & Mechanical

bluu unit, a Triton Smaller Mid‑Cap Fund II portfolio company, has acquired Koschke GmbH and its subsidiary HESAN GmbH, adding established refrigeration, air‑conditioning and ventilation service businesses in eastern Germany to its alliance. The deal strengthens bluu unit’s regional network and service capabilities in Brandenburg, expanding its footprint for sustainable HVAC and refrigeration solutions.

Triton Acquires Majority Stake in Kälte Eckert Group

July 28, 2022

HVAC & Mechanical

Triton (Triton Smaller Mid‑Cap Fund II) has acquired a majority stake in Kälte Eckert Group, a German specialist in refrigeration and air‑conditioning systems using natural refrigerants. Triton is investing alongside management (Michael and Holger Eckert) to support the company’s regional expansion and further develop its sustainable refrigeration capabilities; terms were not disclosed.

TSG Group Acquires Kälte-, Klimatechnik Manfred Wegner GmbH

June 25, 2021

HVAC & Mechanical

TSG Group has acquired Kälte-, Klimatechnik Manfred Wegner GmbH (Wegner), a Wismar-based refrigeration and air conditioning maintenance and installation services company. The acquisition expands TSG's HVAC capabilities and geographic footprint in Northern and Eastern Germany and brings Wegner's ~98 employees and strong supermarket/food-retail customer relationships into the TSG platform.

Carrier Acquires Blaich Automation GmbH

August 4, 2025

HVAC & Mechanical

Carrier Global Corporation has acquired Blaich Automation GmbH and integrated it as an Automated Logic field office in Germany. The deal establishes Automated Logic’s first owned controls field office in Germany, expanding Carrier’s intelligent building automation capabilities across mission-critical sectors such as data centers, pharmaceuticals, and industrial facilities; Blaich’s leadership and team will remain in Leinfelden-Echterdingen.

Cold Core Group Acquires Aircor Refrigeration and Arctic Consulting

August 22, 2023

HVAC & Mechanical

Cold Core Group, a Menomonee Falls, Wisconsin-based full-service industrial and commercial refrigeration provider, has acquired South Carolina-based Aircor Refrigeration, LLC and Arctic Consulting, LLC. The acquisition expands Cold Core Group's east‑coast presence and adds specialized industrial refrigeration services, energy management and PSM/RMP compliance consulting capabilities.