Air Separation Unit Market Report 2026

Air Separation Unit Market Overview

• Air Separation Unit market size has reached to $5.93 billion in 2025 • Expected to grow to $7.83 billion in 2030 at a compound annual growth rate (CAGR) of 5.7% • Growth Driver: Rising Energy Demand To Propel Growth In Air Separation Unit Market • Market Trend: Strategic Partnerships Drive Expansion In Air Separation Unit Market • Asia-Pacific was the largest region and fastest growing region.

What Is Covered Under Air Separation Unit Market?

An air separation unit (ASU) is a facility used to separate atmospheric air into its primary components, typically nitrogen, oxygen, and argon. These units operate by cooling the air to extremely low temperatures through a process called cryogenic distillation or by using non-cryogenic processes such as pressure swing adsorption (PSA) or membrane separation. The main air separation unit includes cryogenic and non-cryogenic. Cryogenics is a process that involves treating materials at extremely low temperatures to enhance their mechanical properties and reduce residual stresses, improving durability and performance. It is used for various gases such as nitrogen, oxygen, argon, and others, as well as for several other uses, including iron and steel, oil and gas, healthcare, chemicals, and others.

What Is The Air Separation Unit Market Growth Forecast?

The air separation unit market size is expected to see strong growth in the next few years. It will grow to $7.83 billion in 2030 at a compound annual growth rate (CAGR) of 5.7%. The growth in the forecast period can be attributed to hydrogen economy development, expansion of EV battery manufacturing, growth of carbon capture projects, demand for high purity gases, industrial decarbonization initiatives. Major trends in the forecast period include expansion of cryogenic air separation capacity, adoption of modular asu designs, integration of energy efficient distillation systems, rising use of on-site gas generation, growing preference for non-cryogenic technologies.

Tariff Impact On Air Separation Unit Market

Tariffs have impacted the air separation unit market by increasing costs of compressors, heat exchangers, and cryogenic components. Cryogenic systems are most affected, particularly in asia pacific manufacturing regions. Higher capital costs have influenced project timelines. However, tariffs are encouraging localized equipment fabrication and regional gas infrastructure development.

Global Air Separation Unit Market Segmentation

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

What Is The Driver Of The Air Separation Unit Market?

The increase in energy demand is expected to propel the growth of the air separation unit market going forward. Energy demand is increasing due to global population growth, rising industrial activities, and greater consumption of energy-intensive technologies and appliances. Air separation units are crucial for fulfilling energy demands by providing essential gases such as oxygen and nitrogen for efficient combustion and process optimization in energy production and industrial applications. For instance, in April 2023, according to the Energy Information Administration, a US-based government agency, overall energy consumption in the United States will increase between 0% and 15% from 2022 to 2050. Specifically, energy use in the industrial sector is expected to grow by roughly 5% to 32% during this period. Therefore, the increase in energy demand is driving the growth of the air separation unit industry.

What Is The Driver Of The Air Separation Unit Market?

The increase in energy demand is expected to propel the growth of the air separation unit market going forward. Energy demand is increasing due to global population growth, rising industrial activities, and greater consumption of energy-intensive technologies and appliances. Air separation units are crucial for fulfilling energy demands by providing essential gases such as oxygen and nitrogen for efficient combustion and process optimization in energy production and industrial applications. For instance, in April 2023, according to the Energy Information Administration, a US-based government agency, overall energy consumption in the United States will increase between 0% and 15% from 2022 to 2050. Specifically, energy use in the industrial sector is expected to grow by roughly 5% to 32% during this period. Therefore, the increase in energy demand is driving the growth of the air separation unit industry.

Global Air Separation Unit Market Trends and Insights

Major companies operating in the air separation unit market are adopting a strategic partnership approach to make more argon, oxygen, and nitrogen available in markets in Eastern Europe. Strategic partnerships involve companies utilizing each other's strengths and resources to achieve shared goals and mutual success. For instance, in August 2023, SIAD Group, an Italy-based chemical group, partnered with SOL Group, an Italy-based chemical company, to form a joint venture called OXY Technical Gases in Croatia. This joint venture, in which SIAD holds a 60% share and SOL holds 40%, aims to increase the availability of nitrogen, oxygen, and argon in Eastern Europe, particularly in Croatia and neighboring countries. As part of the venture, OXY Technical Gases is investing $56.1 million to build an air separation unit (ASU) in Velika Gorica, Croatia, near Zagreb. This facility will enhance the supply of high-purity liquid oxygen, nitrogen, and argon produced at cryogenic temperatures, serving hospitals, industrial factories, and other customers throughout the region.

What Are Latest Mergers And Acquisitions In The Air Separation Unit Market?

In July 2024, Honeywell International Inc., a US-based industrial goods and machinery company, acquired Air Products and Chemicals Inc. for $1.81 billion. This acquisition aims to enhance Honeywell's energy transition solutions and expand its capabilities within the air separation unit market. Air Products and Chemicals Inc. is a US-based company that provide essential industrial gases, related equipment and applications.

Regional Outlook

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 this market report are Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa The countries covered in this market report are Australia, Brazil, China, France, Germany, India, Indonesia, Japan, Taiwan, Russia, South Korea, UK, USA, Canada, Italy, Spain.

What Defines the Air Separation Unit Market?

The air separation unit market includes revenues earned by entities by providing services such as design and engineering, installation, maintenance and support, optimization, and gas supply. The market value includes the value of related goods sold by the service provider or included within the service offering. Only goods and services traded between entities or sold to end consumers are included.

How is Market Value Defined and Measured?

The market value is defined as the revenues that enterprises gain from the sale of goods and/or services within the specified market and geography through sales, grants, or donations in terms of the currency (in USD unless otherwise specified). The revenues for a specified geography are consumption values that are revenues generated by organizations in the specified geography within the market, irrespective of where they are produced. It does not include revenues from resales along the supply chain, either further along the supply chain or as part of other products.

What Key Data and Analysis Are Included in the Air Separation Unit Market Report 2026?

The air separation unit market research report is one of a series of new reports from The Business Research Company that provides market statistics, including industry global market size, regional shares, competitors with the market share, detailed market segments, market trends and opportunities, and any further data you may need to thrive in the air separation unit industry. The market research report delivers a complete perspective of everything you need, with an in-depth analysis of the current and future state of the industry.