News and interesting facts from the world of refrigeration, air conditioning and ventilation technology.

Next step in international growth:bluu unit is set to enter the UK market.

bluu unit has signed an agreement to acquire Space Engineering, based in Bristol. The company is a leading British provider of refrigeration, air conditioning, and ventilation solutions, as well as building services, for blue-chip clients.

Chillventa 2026:Engaging with the Industry

From October 13 to 15, 2026, colleagues from bluu unit will be attending Chillventa in Nuremberg. For us, the trade show is one thing above all else: a place for personal exchange, new perspectives, and the latest insights from the refrigeration, air conditioning, and ventilation industries.

NextGen Event at the Nürburgring: Let's strengthen the next generation together!

Successfully completing an apprenticeship is a special moment—and a milestone worth celebrating. At the NextGen event at the Nürburgring, graduates from various companies within the bluu unit came together to celebrate this achievement as a group and, at the same time, forge new connections within the group.

bluu.lead: Let's work togetherto empower the next generation!

Leadership does not arise solely from a new role or title. It develops through experience, reflection, responsibility, and interaction with others. This is exactly where bluu.lead comes in: With its new leadership workshop, the bluu unit creates a structured development framework for people who are taking on leadership responsibilities or actively preparing for them.

Prior1 joins the bluu unit:The specialist in future-proof data center solutions becomes a new member of the group.

With the addition of Prior1 GmbH and Prior1 Colocation & Services GmbH, the group gains an experienced specialist in the planning, construction, modernization, and operation of data centers, server rooms, and data networks. Through this acquisition, bluu unit is strategically expanding its expertise in a market that is growing in importance due to rising demands for digitalization, energy efficiency, and sustainable infrastructure.

We are a flagship project in climate andrefrigeration technology—an interview in the Entrepreneur Edition

Interview with our Co-CEO Patrick Peters and Friedrich Ysenburg, an investment professional at Triton Partners, for the Entrepreneur Edition.

Management Team Expands:Patrick Peters Becomes Co-CEO of bluu unit.

This is more than just a personnel change at the helm of bluu unit. As of March 1, 2026, Patrick Peters has joined Nicolo Freyberg as co-CEO. With this expansion of its executive team, bluu unit is ushering in its next phase of growth. Together with Nicolo Freyberg, he will form the dual CEO leadership team going forward, while Andreas Holch will continue to serve as CFO, overseeing financial strategy.

Sustainability with Substance:KlimaShop! Becomes Part of the bluu unit.

Bluu unit stands as an alliance for sustainable refrigeration and air conditioning technology aimed at achieving ambitious climate goals. To reach these goals, we need members who have firmly embedded sustainability into their daily business operations. KlimaShop! GmbH from Friedberg, the newest member of bluu unit, does not view sustainability as a passing trend but has been consistently implementing it for years—long before climate protection became an industry-wide issue.

What happens when employees collaborate across locations,learn from one another, and gain new perspectives?

The answer lies in a real-life example: Jonas from KKL in Düsseldorf spent two weeks at Heuberger in Bayreuth to deepen his knowledge of CO₂ refrigeration technology. An experience that shows what makes the Coldest Crew so special.

Targeted expansion in service and maintenance.AC Service becomes part of bluu unit.

The bluu unit Alliance continues on its growth trajectory and welcomes AC Service GmbH from Heusenstamm as a new member. This addition is a boon for the bluu unit network in the Rhine-Main region and further strengthens the alliance’s comprehensive service expertise. In doing so, bluu unit underscores its commitment to advancing refrigeration, air conditioning, and ventilation technology as well as data center solutions in Europe in a value-driven and targeted manner—with clear standards, a long-term focus, and regional customer proximity.

Strengthening Connections, Shaping Collaboration:The 2026 Project and Service Managers' Meeting in Stuttgart.

How does a strong alliance translate into active collaboration in everyday life? With this very question in mind, more than 50 project and service managers from the bluu unit, representing over 30 locations in Germany, Ireland, and Switzerland, gathered in Stuttgart in early March. The goal of the meeting was not only to think about the bluu unit on a strategic level, but also to bring it to life where it makes a difference every day: in day-to-day operations.

Together, we're shaping the future.A look back at the bluu unit group meeting in Hamburg.

On February 5, 2026, more than 60 decision-makers from our alliance met at the former main customs office in Hamburg—a place steeped in history and a setting that perfectly matches our dynamic, joint development. With 30 locations in Germany, Switzerland, and Ireland and more than 1,200 specialists in the fields of refrigeration, air conditioning, ventilation, and data center technology, bluu unit has grown into a strong alliance of regional specialists with an international perspective.

bluu unit is strengthening 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.

bluu unit is expanding in Europe.Ireland will become another center of expertise for sustainable refrigerants.

With the addition of the Irish company Tech Refrigeration and Air Conditioning, bluu unit is strengthening its presence in one of Europe’s most dynamic markets—with the clear goal of establishing and actively advancing its market-leading expertise in sustainable refrigerants in yet another country. At the same time, it is strategically expanding its existing capabilities in the area of data center solutions.

Why do companies join the bluu unit?Patrick Peters of KKL offers a very succinct answer—one of many—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.

This first internationalmarket entry strengthens the alliance and opens up new prospects 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.

Allianz Expands: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.

A milestone in the refrigeration and air conditioning industry: KKL Holding GmbH joins the bluu unit.A merger that sends a strong signal about 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.

On Track for Growth with bluu unit:The ACI Group and Heuberger Kälte Klima GmbH Strengthen 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.

WILMS Kälte-Klima-Lüftung Systemtechnik GmbH is joining the bluu unit, adding an experienced and customer-focused team to K3 Kälte Klima Köln GmbH.

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.

Pooling Ideas, Achieving 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!

Koschke GmbH is joining 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.

New CFO of bluuunit: Andreas 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.

The industry has a clear goal.The ATMOsphere Europe Summit 2024 made that abundantly clear.

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.

bluu unit at the ATMOsphere Europe Summit2024, November 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.

With the additionof Knipping andT&K, our alliance in northern and central Germany is further strengthened.

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.

An InspiringGathering—A Look Back at 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.

KLK Klima-Lüftung-Kälte GmbH is joining as a new member.bluu unit is pleased 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.

Welcome to Hauschild Kälte-Klima-Elektrotechnik GmbH:A wealth of 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.

Girl Power inthe Trades: A Mechatronics Technician at aeria Kältetechnik GmbH Talks About Her Entirely 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.

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.

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.

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 [...]

Latest F-gas regulation strengthens climate-friendly alternatives

A central component of the regulation is the gradual reduction of the permitted quantities of F-gases, the so-called phase-down. According to this detailed and defined roadmap, in [...]