About us

Airco Process Technology is an industry-leading decarbonization technology provider founded in 2020 in Denmark. We have more than 35 years of experience in the process plant industry and over 100 advanced process plants installed all over the world. The Airco team has a combined process plant experience of more than 120 years which also shows in the extensive patent-pending portfolio of top-tier decarbonization technologies within biogas upgrading, carbon capture, and biomethane liquefaction that constitutes the range of solutions delivered to our global clients & partners.

We are constantly adding enthusiastic colleagues to our pool of talents – great people who share our vision of being a technological innovator of reliable decarbonization plants supporting the restoration of climate. That is paramount to our current and future success.

Our Ambition

We want to be an industrial leader and technological innovator of reliable decarbonization plants supporting the restoration of climate

Our History & Heritage

While Airco is still a young company, the backbone of know-how and proficiency has been in development for more than 5 decades. The know-how and drive to develop complex solutions is deeply embedded in our DNA. Dive into our history and major milestones throughout the years


Union Engineering Established


First Economic Carbon capture


Union Engineering acquires Airco Diet


100 Airco DIET projects


First Biogas upgrader installed

Pentair acquires Union Engineering


Capidea divests Airco Diet to

management team and group of investors


New Airco business unit is formed

First Airco amine biogas upgrader sold

First Airco  SlipRecTM sold

First Airco water biogas upgrader sold

First Airco LBG polisher sold

First Airco carbon capture plant from biogas sold

Meet our Management Team

Our experienced & committed team shares an extensive know-how on designing, engineering, and operating industry-leading cutting-edge decarbonization solutions. Meet them below:


Steffen Busk Jespersen

30 + years industrial experience, 15+ years experience in energy and process industries

B.Sc. Industrial Engineering


Tine Bergholt Pedersen

10 + years of experience in Process technology with operational, project execution and management responsibilities

MSc. Business Management and Administration, and Executive MBA.



Karsten Møller Kristensen

30+ years of experience in financial management and project controlling

Graduate Diploma in Business Administration


Hans Vejs-Petersen

30 years of diverse background as COO and supply chain executive in project based organisations

B.Sc. – Production


Airco Process Technology is a decarbonization solutions provider dedicated and committed to mitigate the climate impact of the largest emitters – to help restore climate.

It is crucial for us that we contribute and support our customer in the green transformation.

Our solutions are designed with this in mind, and we strive to understand the true needs and to suggest the most optimum solutions at all times.