About us

For 75 years, we keep
your business running.

STULZ - Reliable air-cooling solutions  for mission critical applications

With over 50 years of experience, STULZ delivers reliable, energy‑efficient cooling solutions for mission‑critical applications and data centers worldwide. We specialize in precise system design and efficient operation tailored to each environment’s unique thermal requirements. Our commitment is to ensure long‑term stability, high performance, and sustainable operations - supporting our customers in a changing global climate.

Our holistic approach can be summed up in one clear promise: YOUR CLIMATE. OUR MISSION.

Expertise
Global
Safety
Availability

As a Hamburg-based family business, we have specialized in the field of high-quality cooling technology for over 50 years.

Values, traditions and our passion for technology are appreciated worldwide, in Everthing from small data centers to multinational corporations.

Thanks to our pioneering role in air conditioning technology, we are an integral part of the market today and will continue to be in the future.

Discover our history.

Since 1974, we have expanded continuously, so that today we are represented in over 140 countries.

Despite our global activities, it is important to us to adapt to the local needs and cultures of each country.

Through our network of partners, we are always up to date on everything from climatic conditions to political circumstances and import duties. At the same time, we keep ourselves informed about market trends and developments around the world.

Read more in our network.

Our customers can expect uncompromising quality from us, both in our cooling units and in the components installed.

We set ourselves this quality standard every day, from development to service.

In this way, we guarantee absolute reliability and fail-safe operations regardless of external influences.

Learn more in our product promise.

As a company with subsidiaries and partners around the globe, we offer you all the cooling technology you need in the extremely dynamic world of information technology – from hardware to software, from planning through to manufacturing and installation. STULZ delivers complete cooling systems with maximum energy efficiency that meet your requirements precisely, intelligently and reliably. And you can choose from standardized solutions or fully customized designs.

At STULZ, we keep your business running so that you can look to the future with confidence.

Find out more about our services.

YOUR CLIMATE. OUR MISSION.

The digital transformation of society and the economy is resulting in many changes and driving the emergence of new technologies.
STULZ solutions are a key factor here - they enable the efficient use of resources as well as improved performance of IT equipment, for a sustainable and reliable future.

We keep it running, for 75 years and many more to come!

Product portfolio

The complete range of air conditioning technology. 

To our products
 

Please note: There may be variations in countries and markets. Find out more in the subsidiary responsible for your region.

To the local product portfolios


Thinking outside the box!

From hardware to software, from design to production through to installation, we can supply complete air conditioning systems with maximum energy efficiency that answer to your individual requirements precisely, intelligently, and reliably.

Get an overview of the services we offer.

To our services


Together we achieve your goals

It’s important for a company to not only find the best possible way to meet its customers’ needs, but also to understand their business. This is the only way to develop the best and most customized solution.

You can count on us! Find out more about our previous projects and see our expertise for yourself.

To our projects


We are pleased to share a significant milestone in our journey towards a sustainable future — the release of our sustainability report.

Learn more about our sustainability report.

News from STULZ

Unique acoustic test validates Data Center chiller performance

Press release / News 25.03.2026

CyberRack Active Rear Door for high density cooling applications

Press release / News 20.01.2026

ISC, 2026/06/23-25

Event 23.06.2026

Data Center Dynamics Bali, 2026/06/09-11

Event 09.06.2026

Get in touch

Do you have questions about our solutions or our company? We will happily provide you with expert advice.

 

Find the right point of contact and simply get in touch with them. We look forward to hearing from you!

Find your contact