What moves us:
News and interesting facts from the world of refrigeration, air conditioning and ventilation technology.
February 5, 2026
bluu unit strengthens its presence in southern Germany.With KKT Innovations GmbH as a new member, it is adding another leading player in northern Bavaria to its portfolio.
With KKT Innovations GmbH, the bluu unit alliance gains a highly specialized partner for sophisticated customized solutions in refrigeration, air conditioning, and MSR technology, and is continuing to develop its service portfolio and comprehensive regional presence in a targeted manner. The acquisition is part of a clear growth strategy that focuses on technical excellence, specialist expertise, regional customer proximity, and long-term added value.
January 13, 2026
bluu unit continues to grow in Europe.Ireland becomes the next expertise hub for natural refrigerants.
With the Irish company Tech Refrigeration and Air Conditioning joining the alliance, bluu unit is strengthening its presence in one of Europe’s most dynamic markets – with the clear objective of anchoring and actively advancing its market-leading expertise in natural refrigerants in another country. At the same time, the alliance also aims to expand its existing capabilities in data centre solutions.
November 20, 2025
Why do companies join the bluu unit?Patrick Peters from KKL provides one very concise of many answers in an interview with Natural Refrigerants.
"It quickly became clear to everyone that KKL is a perfect fit for bluu unit in terms of expertise, culture and people. For me this alliance is much more than a business decision, though. It is the dawn of a new era in refrigeration and air-conditioning technology," says Patrick Peters.
October 6, 2025
First international market entrystrengthens the alliance and opens up new perspectives for the future.
bluu unit is continuing its expansion beyond Germany's borders and has signed an agreement with the IPS Group to become part of the alliance. The alliance is thus expanding its network not only geographically, but also strategically, taking an important step towards internationalization and the expansion of its refrigeration, air conditioning and ventilation technology expertise.
October 1, 2025
Growth for Allianz:the isomix group is a new member of the bluu unit.
Joining the isomix Group strengthens the reach and implementation power of the bluu unit and is a further milestone in the strategic development to consistently drive forward the growth and future plans of the alliance. The isomix Group, based in Melle near Osnabrück, has been developing solutions with a focus on modern ventilation systems for over two decades.
September 19, 2025
Milestone in the refrigeration and air conditioning industry: KKL Holding GmbH becomes part of the bluu unit.A merger with a signal effect for the future of refrigeration and air conditioning technology.
bluu unit GmbH has signed an agreement with SüdBG, the founder Andreas Kohmann and the management involved (Patrick Peters and Ingo Hoffmann) to acquire KKL Holding GmbH from Düsseldorf. With this transaction, bluu unit gains one of the most prominent specialists for refrigeration, air conditioning and ventilation technology in Germany.
August 4, 2025
On course for growth with bluu unit:The ACI Group and Heuberger Kälte Klima GmbH strengthen the bluu unit
With the ACI Group and Heuberger Kälte Klima GmbH, bluu unit welcomes two strong specialists in refrigeration and air conditioning technology to the Alliance. Two new members who further strengthen the Alliance's presence throughout Germany with 5 additional locations and over 120 new colleagues.
May 2, 2025
WILMS Kälte-Klima-Lüftung Systemtechnik GmbH becomes part of the bluu unit.And expands the K3 Kälte Klima Köln GmbH team with an experienced and customer-oriented unit.
WILMS Kälte-Klima-Lüftung Systemtechnik GmbH becomes part of the bluu unit and expands the team of K3 Kälte Klima Köln GmbH with an experienced and customer-oriented customer-oriented unit in the field of refrigeration, air conditioning and ventilation technology in Mönchengladbach.
March 12, 2025
Bundling ideas, creating results- our bluu unit group meeting
Our bluu unit group meeting at Schloss Ahrenthal was a complete success! In a productive atmosphere, we defined the next steps of our alliance, welcomed new members and developed sustainable visions for the future. An inspiring exchange that motivates us to achieve more together!
March 10, 2025
Koschke GmbH becomes part of the bluu unit.The future of the industry is growing.
With Koschke GmbH and its subsidiary HESAN GmbH in Eisenhüttenstadt, two established companies have joined the bluu unit that stand for outstanding solutions in the fields of refrigeration, air conditioning and ventilation technology as well as heating and sanitation.
February 1, 2025
New CFO of the bluu unitAndreas Holch joins the Alliance for Refrigeration and Air Conditioning Technology
Andreas Holch will start as the new Chief Financial Officer (CFO) at bluu unit on February 1, 2025. Andreas Holch's appointment is an important step towards an even more promising future.
November 29, 2024
The industry has a clear goal.This was clearly demonstrated at the ATMOsphere Europe Summit 2024.
The ATMOsphere Europe Summit 2024 proved once again how important it is to work together towards a greener future. Decision-makers and innovators from the industry came together to drive the transformation forward - with one clear goal: to be tomorrow's change today.
November 21, 2024
bluu unit at the ATMOsphere Europe Summit 2024November 25 and 26 in Prague
We are delighted to be a Silver Sponsor of the ATMOsphere Europe Summit 2024 - the leading platform for the HVAC industry. The conference will take place on November 25th and 26th in Prague and will bring together pioneers, decision makers and thought leaders to drive the green transformation of the industry.
November 4, 2024
With the companies Knipping and T&Kwill further strengthen our alliance in the north and center of Germany.
Knipping Kälte & Klimatechnik GmbH and T&K Klima Team GmbH share the same approach: healthy growth with a strong team. This makes the two companies the perfect partners for the bluu unit - the up-and-coming nationwide group of companies in the refrigeration and air-conditioning technology sector.
October 31, 2024
An inspiring get-together- Review of our bluu unit group meeting
A day full of exchanges, visions and new partnerships. The last bluu unit group meeting not only gave us the opportunity to look back together on what we have achieved, but also to look ahead and sharpen our visions for the future.
September 11, 2024
New CEO for bluu unit Frank Jansing starts on October 1, 2024
Ludwigsburg, September 11, 2024 - Personnel change at bluu unit: Frank Jansing becomes the new CEO of the Alliance for Refrigeration and Air Conditioning Technology. Peter Hettich, the previous CEO, is stepping down from the operational business and moving to the Advisory Board.
September 1, 2024
KLK Klima-Lüftung-Kälte GmbH becomes a new member.The bluu unit is delighted to have gained a strong partner.
Competent, efficient, customer-oriented. That is the short corporate formula of KLK Klima-Lüftung-Kälte GmbH. Combined with Hanseatic reliability, this forms the perfect basis for successful perfect basis for successful membership of the bluu unit alliance. KLK is the expert in northern Germany for energy-efficient air conditioning, ventilation and refrigeration systems in the industrial and commercial sector.
July 15, 2024
Welcome Hauschild Kälte-Klima-Elektrotechnik GmbHConcentrated expertise in northern Germany
With Hauschild Kälte-Klima-Elektrotechnik GmbH, bluu unit has gained a strong partner north of Hamburg. Hauschild impresses with sustainable solutions, as the focus is already on environmentally friendly refrigerants. Just like bluu unit, Hauschild also wants to help shape the future of the industry with a solid and innovative corporate strategy.
July 8, 2024
Girl power in the tradesMechatronics engineer at aeria Kältetechnik GmbH talks about her consistently positive experiences
Inspired by "Girls' Day", Kira explains in an interview why she decided to take up a typically "male profession" and how she now experiences her everyday working life.
March 21, 2024
Impressive preview bluu unit presented at the World Economic Forum in Davos
A few weeks before its official launch, the bluu unit alliance was presented during the World Economic Forum in Davos on January 16, 2024 as part of the SDG Night. The SDG Night, initiated by the INGLOSIUS Foundation and supported by our investor Triton, was a successful networking event on the topic of sustainability.
March 14, 2024
New funding program: improving the energy efficiency of commercial refrigeration and air conditioning systems is rewarded.
On February 12, 2024, a new funding program of the Federal Office of Economics and Export Control (BAFA) came into force. The aim of the program is to improve the energy efficiency of stationary refrigeration and air conditioning systems in commercial environments.
February 20, 2024
Welcome to Strang Kälte + Klimatechnik. We look forward to a powerful partnership!
The refrigeration and air conditioning trade has been anchored in the family for around 80 years. The company itself, Strang Kälte + Klimatechnik GmbH, was finally founded in 1989 [...]
October 5, 2023