Trane Technologies (Thermo King) Acquires Klinge Corporation

Trane Technologies (Thermo King) Acquires CSTK, Inc.

February 5, 2026

Transportation

Trane Technologies, through its Thermo King brand, has acquired CSTK, Inc., a longtime independent Thermo King dealer serving the Northeast and Central United States. The acquisition brings CSTK's 10 sites, customer base and more than 200 employees into Thermo King Americas as company-owned operations to strengthen service coverage and customer proximity in key U.S. markets.

Trane Technologies Acquires Helmer Scientific

May 15, 2023

Medical Devices

Trane Technologies has acquired Helmer Scientific, a Noblesville, Indiana-based maker of precision temperature‑controlled storage and processing solutions for hospitals, labs, blood banks and pharmacies. The deal adds Helmer's medical and laboratory refrigeration capabilities to Trane's life science solutions portfolio and supports expansion into clinical health and life sciences markets.

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.

Trane Technologies Acquires Stellar Energy Americas

February 18, 2026

HVAC & Mechanical

Trane Technologies has completed the acquisition of Stellar Energy Americas, a provider of turnkey and modular data center cooling solutions. The purchase strengthens Trane's data center thermal management capabilities and accelerates deployment of prefabricated, scalable cooling systems to meet growing demand in the data center market.

Acuity Brands Acquires KE2 Therm

April 14, 2023

Manufacturing

Acuity Brands, Inc. announced a definitive agreement to acquire KE2 Therm Solutions, a developer of intelligent refrigeration control solutions. KE2 Therm will be integrated into Distech Controls within Acuity's Intelligent Spaces Group to expand Distech's addressable market into commercial refrigeration and accelerate the transition from analog to digital refrigeration controls.

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.