TSG Group Acquires Kälte-, Klimatechnik Manfred Wegner GmbH

Trane Technologies (Thermo King) Acquires Klinge Corporation

August 7, 2024

Manufacturing

Trane Technologies, through its Thermo King brand, completed the acquisition of Klinge Corporation on August 1, 2024. Klinge, a York, Pennsylvania–based maker of specialized ISO refrigerated transport containers and related power-generation equipment, will complement Thermo King's transport temperature-control portfolio and expand its capability to serve highly specialized cold‑chain and government/military markets.

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.

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 Acquires ACI Group and Heuberger Kälte Klima GmbH

August 4, 2025

HVAC & Mechanical

bluu unit, a Triton Smaller Mid‑Cap Fund II portfolio company, has acquired ACI Group (Düsseldorf) and Heuberger Kälte Klima GmbH (Bayreuth) to strengthen its regional footprint and build a nationwide alliance in sustainable refrigeration, air conditioning and ventilation technology. The acquisitions add about 127 employees across the two businesses and bring specialist capabilities in CO2 and natural refrigerant systems; financial terms were not disclosed.

Swegon Group AB Acquires HC Groep

July 3, 2024

HVAC & Mechanical

Swegon Group AB has acquired HC Groep, a Netherlands-based market leader in indoor climate technology, bringing HC Groep’s ten business labels and ~386 employees into Swegon’s global platform. The deal — completed with HC Groep’s previous investor Gilde Equity Management exiting — strengthens Swegon’s presence in the Dutch market and expands its ventilation, HVAC and building automation capabilities.

Kelvin Group Acquires PermaCold Engineering

January 7, 2026

HVAC & Mechanical

Kelvin Group, a national provider of industrial and commercial mechanical refrigeration services backed by Southfield Capital, has acquired PermaCold Engineering, a Portland-based industrial refrigeration firm. The add-on deal expands Kelvin's geographic footprint into the Pacific Northwest and brings PermaCold's expertise in ammonia and CO2 refrigeration to Kelvin's platform; terms were not disclosed.