Our Mission
"We believe that hydrogen holds the key to a cleaner, more sustainable energy future. Our mission is simple: to create groundbreaking solutions that make hydrogen storage and distribution more efficient, accessible, and cost-effective. We strive to accelerate the transition to a hydrogen-based economy that benefits both the planet and industry."
About the Sfeers
Emission-free energy cycle in harmony with nature.
Nature sets our example: energy from the sun, wind, and water are enough for a life in clean energy abundance. And we believe that hydrogen, nature’s very own source of power, is fundamental to humanity’s progress and the fuel of the future.

The inventor of SFEERS, Lars Stenmark (1944–2016)
Our Vision
Our vision is to develop the world’s leading standard for green hydrogen solutions – making green energy abundance safely accessible and affordable. For anybody. Anywhere.
Our Founders.
Chief Executive Officer
Thomas Korn
Thomas has been an expert on hydrogen technology for over 25 years. As CEO and founder, he is actively shaping the future of hydrogen for our society.


Chief Strategy Officer
Alvaro Sousa
In 2016, Alvaro co-founded water stuff & sun, where he is chief strategy officer, working on a technology that promises to make not only mobility but the economy greener for the future.


Chief Operating Officer
Jonas Flädjemark
In 2016, the foundations of water stuff & sun were laid and Jonas co-founded the company and has been its chief operating officer since then.


Meet our Team
What our investors say.
Our investors empower a zero- emission solution for a sustainable energy cycle.
At the heart of everything we do is a vision for a cleaner planet and life in harmony with nature – for everyone, now and in the future. This is why we founded water stuff & sun.
Contact Us
We are here to help. We highly value the relationships with our customers.
Send us an email and lets chat.
Phone
+49 (0) 89 92929926
Office
Water Stuff & Sun GmbH
Gutenbergstr. 3
85716 Unterschleißheim
München, Deutschland
Our Research and Engineering Locations
With headquarters in Munich and a technology hub in Uppsala, water stuff & sun is driving innovation across Europe to power a cleaner, more sustainable future.










