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Air Separation Unit Market Growth Potential: How Will Market Size Change Through 2030?
The air separation unit market has experienced robust growth in recent years. It is anticipated to increase from $5.93 billion in 2025 to $6.29 billion in 2026, registering a compound annual growth rate (CAGR) of 6.0%. The market’s historical expansion can be ascribed to factors including steel production expansion, growth of industrial gas demand, petrochemical capacity additions, healthcare oxygen consumption, and chemical manufacturing growth.
The air separation unit market size is projected to experience substantial growth over the next few years. It is anticipated to expand to $7.83 billion by 2030, achieving a compound annual growth rate (CAGR) of 5.7%. This expansion during the forecast period can be attributed to factors such as the development of the hydrogen economy, the growth in EV battery manufacturing, an increase in carbon capture projects, the demand for high purity gases, and various industrial decarbonization initiatives. Prominent trends for the forecast period include the enlargement of cryogenic air separation capacity, the adoption of modular ASU designs, the integration of energy-efficient distillation systems, an increase in on-site gas generation, and a growing preference for non-cryogenic technologies.
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Air Separation Unit Market Growth Factors Supporting Long-Term Expansion
The air separation unit market is projected to experience growth moving forward, primarily driven by the increasing energy demand. This rise in energy consumption is a consequence of global population growth, expanding industrial activities, and the greater uptake of energy-intensive technologies and appliances. Air separation units are vital for meeting these energy requirements by supplying essential gases such as oxygen and nitrogen, which are crucial for efficient combustion and process optimization in both energy production and industrial applications. For instance, in April 2023, the Energy Information Administration, a US-based government agency, reported that overall energy consumption in the United States is expected to increase between 0% and 15% from 2022 to 2050. More specifically, energy usage within the industrial sector is forecast to grow by roughly 5% to 32% during this timeframe. Consequently, the escalating energy demand is a significant force propelling the expansion of the air separation unit market.
Air Separation Unit Market Segment Performance And Strategic Opportunities
The air separation unit market covered in this report is segmented –
1) By Process: Cryogenic, Non-Cryogenic
2) By Gas: Nitrogen, Oxygen, Argon, Other Gases
3) By End Use: Iron And Steel, Oil And Gas, Healthcare, Chemicals, Other End Uses
Subsegments:
1) By Cryogenic Air Separation Units: Single-Column Cryogenic Units, Double-Column Cryogenic Units, Mixed Refrigerant Systems
2) By Non-Cryogenic Air Separation Units: Pressure Swing Adsorption (PSA) Systems, Membrane Separation Systems, Vacuum Pressure Swing Adsorption (VPSA) Systems
#Air Separation Unit Market Trends Influencing Long-Term Demand
Leading firms within the air separation unit market are embracing strategic collaborations to expand the supply of argon, oxygen, and nitrogen across Eastern European markets. These strategic collaborations involve companies combining their strengths and resources to reach common goals and achieve mutual success. As an example, in August 2023, SIAD Group, an Italy-based chemical group, collaborated with SOL Group, an Italy-based chemical company, establishing a joint venture named OXY Technical Gases in Croatia. This venture, with SIAD holding a 60% stake and SOL holding 40%, seeks to boost the supply of nitrogen, oxygen, and argon within Eastern Europe, specifically in Croatia and adjacent nations. Through this initiative, OXY Technical Gases is committing $56.1 million towards constructing an air separation unit (ASU) in Velika Gorica, Croatia, situated close to Zagreb. The facility is set to improve the provision of high-purity liquid oxygen, nitrogen, and argon, manufactured at cryogenic temperatures, catering to hospitals, industrial factories, and various other clients across the region.
Air Separation Unit Market Key Players: Which Companies Shape Industry Competition?
Major companies operating in the air separation unit market are Linde Plc, Air Liquide S.A., Air Products and Chemicals Inc., Nippon Sanso Holdings Corporation, Messer Group GmbH, Matheson Tri-Gas Inc., Yingde Gases Group Co. Ltd., Gulf Cryo, Cryogenmash, SIAD Macchine Impianti S.p.A., Bhoruka Gases Limited, MVS Engineering Pvt. Ltd., Novair Industries AB, CRYOTEC Anlagenbau GmbH, Ranch Cryogenics Inc., Buzwair Industrial Gases Factories, Shanghai Chinllenge Gases Co. Ltd., Kaifeng Air Separation Group Company Limited, Sichuan Air Separation Plant Group
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#Air Separation Unit Market Largest Region: Which Geography Holds The Highest Market Share?
Asia-Pacific was the largest region in the air separation unit market in 2025 and it is expected to be the fastest-growing region in the forecast period. The regions covered in the air separation unit market report are Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa
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Wasay has over a decade of experience in market research, data modelling, and analytics, with prior experience at GlobalData and Decision Tree Consulting Services. At The Business Research Company , he leads research operations across syndicated studies, customized consulting engagements, and the Global Market Model platform. His professional experience includes supporting organizations such as Boston Consulting Group, KPMG, and Ernst & Young. Wasay holds a degree in Electronics and Communications Engineering, postgraduate management qualifications from International Management Institute Belgium and Indian School of Business and Entrepreneurship, and completed the Integrated Program in Business Analytics from Indian Institute of Management Indore.