The global steam boiler market size was valued at USD 18.07 billion in 2025 and is projected to grow from USD 18.70 billion in 2026 to USD 24.63 billion by 2034, registering a CAGR of 3.5% during the forecast period from 2026 to 2034. North America dominated the steam boiler market with a market share of 34.5% in 2025.
A steam boiler, also known as a steam generator, is a device that produces steam by applying heat to water. A steam boiler is a steam-producing equipment or component that uses heat from the combustion of a fuel source to heat water within a boiler, generating steam for various applications, including heating and power generation. A steam boiler's general efficiency ranges between 80% and 90%. This efficiency can be ascribed to partial oxidation, radiation loss, and other thermal losses. A steam boiler's steam is used for power generation, industrial uses, and heating.
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Growing Shift Toward Electric Steam Boilers
Industrial companies are increasingly exploring electric steam boilers as an alternative to conventional coal, oil, and gas-fired systems. Electric boilers produce steam without on-site fuel combustion, helping industries reduce direct emissions while simplifying fuel handling and storage. They are becoming particularly relevant for food processing, chemicals, pulp and paper, pharmaceuticals, and other industries that require continuous low- and medium-temperature process steam.
In February 2026, the International Energy Agency highlighted the operation of electric boilers at Hydro’s Alunorte alumina refinery in Brazil. Following successful operation of a 60 MW electric boiler, two additional units of around 50 MW each entered operation, allowing the facility to produce 270 tonnes of steam per hour using electricity.
This demonstrates that electric boilers can support steam requirements even in large, energy-intensive industrial facilities.
Rising Adoption of Biomass-Based Green Steam
Industries are also exploring biomass-fired boilers to reduce dependence on coal, furnace oil, and other fossil fuels. Agricultural residues, biomass pellets, and briquettes can provide renewable heat for industrial processes while creating productive uses for agricultural waste.
In January 2026, India’s Ministry of New and Renewable Energy released a roadmap promoting biomass-based green steam and heat for MSMEs. The initiative identified textiles, food processing, chemicals, foundries, and pharmaceuticals as key industries where biomass solutions can replace part of conventional fossil-fuel-based process heat.
The development highlights how electrification and renewable fuels are becoming important pathways for cleaner industrial steam generation.
Growing Steam Requirements Across Process Industries
Steam remains essential across chemicals, food and beverages, pharmaceuticals, pulp and paper, refining, textiles, and other process industries. Manufacturers use boilers for heating, sterilization, drying, cleaning, processing, and maintaining precise production temperatures. Expansion of industrial facilities, particularly in developing economies, is therefore increasing requirements for reliable steam-generation systems. Steam boiler market growth is also being supported by companies replacing older equipment with systems offering better efficiency and operational control.
With manufacturers requiring dependable process heat for continuous production, industrial expansion continues to strengthen steam boiler market demand.
Stricter Controls on Industrial Boiler Emissions
Conventional boilers burning natural gas, oil, coal, or other fuels can generate nitrogen oxides, carbon monoxide, particulate matter, and greenhouse gas emissions. Governments are tightening industrial emission requirements as part of broader efforts to improve air quality and reduce carbon emissions. Compliance can require businesses to install low-NOx burners, monitoring equipment, exhaust-treatment technologies, or cleaner boiler systems.
These additional investments can raise the cost of new installations and upgrades, potentially affecting the steam boiler market size, particularly for smaller industrial facilities operating older equipment.
Increasing pressure to reduce emissions is encouraging industrial users to reconsider conventional fossil-fuel boiler investments and evaluate cleaner steam-generation alternatives.
Growing Adoption of Electric and Low-Carbon Steam Boilers
Industrial decarbonization is creating opportunities for electric boilers and other low-carbon steam technologies. Electric systems can generate steam without direct combustion emissions at the point of use and can be particularly attractive where facilities have access to renewable or low-carbon electricity. They can also provide rapid response, precise control, and simpler integration with some industrial processes.
Electrification is emerging among important steam boiler market trends as manufacturers look for practical ways to reduce emissions from process heating.
Suppliers developing efficient electric and hybrid steam systems have an opportunity to strengthen their steam boiler market share as industrial decarbonization projects expand.
Modernizing Aging Boiler Infrastructure Without Disrupting Production
A major challenge for the steam boiler industry is replacing ageing equipment while maintaining continuous industrial operations. Boilers are often deeply integrated into production facilities, meaning replacement can require changes to piping, controls, burners, water-treatment equipment, electrical infrastructure, and building layouts. Extended shutdowns can create substantial production losses.
Companies therefore need modernization solutions that improve efficiency and reliability while minimizing installation time and operational disruption.
Successfully upgrading ageing installations while controlling capital costs, downtime, and integration complexity will remain an important challenge as industrial facilities modernize their steam infrastructure.
Water Tube Boiler Segment Dominated the Market with 56.8% Share
The water tube boiler segment dominated the global steam boiler market with a 56.8% share, valued at USD 10.26 billion in 2025. Water tube boilers are widely preferred for industrial and utility applications because of their ability to generate steam at high pressures and temperatures while handling large steam capacities. Their high operating efficiency, faster steam generation, and suitability for continuous heavy-duty operations support strong adoption across power generation, chemicals, oil & gas, and process industries.
The fire tube boiler segment continues to witness steady demand due to its relatively simple construction, ease of operation, and suitability for low- to medium-capacity steam requirements. These boilers remain widely used across smaller industrial facilities and commercial applications.
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Medium Pressure Segment Dominated the Market with 39.8% Share
The medium pressure segment dominated the global steam boiler market with a 39.8% share, valued at USD 7.19 billion in 2025. Medium-pressure boilers provide a practical balance between steam output, operating efficiency, and equipment costs, making them suitable for a wide variety of industrial processes. Their extensive use in chemical processing, manufacturing, food processing, pulp and paper, and other industries supports the segment's leading position.
The high pressure segment is projected to register the fastest growth. Increasing demand for high-temperature and high-pressure steam in power generation and energy-intensive industries is supporting adoption. Industrial capacity expansion and efforts to improve thermal efficiency are further strengthening demand.
The low pressure segment continues to experience steady demand across applications requiring moderate steam output, including heating, smaller processing facilities, and selected commercial operations.
Gas-Fired Segment Dominated the Market with 34.7% Share
The gas-fired segment dominated the global steam boiler market with a 34.7% share, valued at USD 6.27 billion in 2025. Gas-fired boilers are widely adopted because of their relatively efficient combustion, operational flexibility, and lower emissions compared with conventional coal-fired systems. Expanding natural gas infrastructure and industrial efforts to reduce the emissions intensity of steam generation continue to support the segment's leading position.
The electric steam boiler segment is projected to register the fastest growth. Increasing industrial electrification, tightening emission requirements, and growing availability of renewable electricity are encouraging businesses to consider electric boilers for low-emission steam generation.
Coal-fired and oil-fired boilers continue to serve industries and regions where these fuels remain readily available or where existing boiler infrastructure supports their continued operation.
Power Generation Segment Dominated the Market with 29.4% Share
The power generation segment dominated the global steam boiler market with a 29.4% share, valued at USD 5.31 billion in 2025. Steam boilers are essential components of thermal power generation systems, producing high-temperature and high-pressure steam used to operate turbines. Growing electricity requirements, modernization of existing power facilities, and continued investment in reliable generation infrastructure support the segment's leading position.
The pharmaceuticals segment is projected to register the fastest growth. Pharmaceutical manufacturing requires reliable and controlled steam for sterilization, equipment cleaning, process heating, humidification, and other production processes. Expanding pharmaceutical manufacturing capacity and strict hygiene requirements are supporting demand for efficient steam boiler systems.
The oil & gas and chemical industries continue to generate significant demand as steam is extensively required for process heating, refining, separation, cleaning, and other energy-intensive industrial operations.
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North America's steam boiler market accounted for 34.5% of the global market, reaching USD 6.23 billion in 2025, and is projected to grow at a CAGR of 4.55% during the forecast period. The region's market is supported by established manufacturing, food processing, chemical, pharmaceutical, pulp and paper, and energy industries. Replacement of aging boiler systems, greater emphasis on energy efficiency, and efforts to reduce industrial emissions are also encouraging businesses to adopt modern steam generation equipment.
The United States represents a major market in North America. Its large manufacturing and processing base, extensive industrial infrastructure, and continued modernization of heating and steam systems support market development. Growing attention to energy efficiency and lower-emission industrial operations is also encouraging the replacement of older boiler equipment.
Canada's established food processing, pulp and paper, chemical, manufacturing, and energy industries generate steady demand for steam boilers. Modernization of industrial facilities and increasing focus on efficient heating and process steam systems continue to support market growth.
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The Asia Pacific steam boiler market accounted for 28.2% of the global market, reaching USD 5.10 billion in 2025, and is projected to grow at the fastest CAGR of 5.65% during the forecast period. Rapid industrialization, expanding manufacturing capacity, infrastructure development, and increasing energy requirements are strengthening regional demand. Growth in chemicals, food processing, textiles, pulp and paper, pharmaceuticals, and other process industries continues to increase the need for reliable steam generation systems.
China represents a major market within Asia Pacific. Its extensive manufacturing and industrial processing base creates strong demand for steam generation equipment. Modernization of industrial facilities, stricter environmental requirements, and growing adoption of efficient and cleaner boiler technologies continue to shape market development.
Japan's established manufacturing, chemical, food processing, pharmaceutical, and industrial sectors maintain steady demand for reliable steam systems. Strong emphasis on energy efficiency, operational reliability, and lower-emission industrial equipment continues to encourage boiler modernization.
India's rapid manufacturing expansion, growing food processing and pharmaceutical industries, infrastructure investment, and increasing industrial energy requirements are supporting demand for steam boilers. Expansion of production facilities and greater emphasis on efficient industrial equipment are creating further opportunities for boiler suppliers.
Europe's steam boiler market accounted for 25.5% of the global market, reaching USD 4.61 billion in 2025, and is expected to register a CAGR of 4.35% during the forecast period. Industrial decarbonization, energy-efficiency improvements, and modernization of manufacturing facilities are influencing demand across the region. Industries are increasingly looking for efficient boiler technologies and cleaner fuel alternatives that can maintain reliable steam supply while reducing energy consumption and emissions.
Germany represents a major European market. Its strong manufacturing, chemical, food processing, pharmaceutical, and engineering industries create steady demand for industrial steam. Investments in efficient production technologies and modernization of industrial heating infrastructure continue to support market development.
The United Kingdom's food and beverage, healthcare, chemical, manufacturing, and processing industries continue to generate demand for steam boilers. Efforts to improve industrial energy efficiency and reduce emissions are also encouraging businesses to modernize existing boiler systems.
Latin America's steam boiler market accounted for 6.4% of the global market, reaching USD 1.16 billion in 2025, and is expected to grow at a CAGR of 4.75% during the forecast period. Expansion of food processing, chemicals, pulp and paper, mining, and other industrial activities continues to support demand for process steam. Investments in manufacturing infrastructure and modernization of existing industrial facilities are also creating opportunities for more efficient boiler systems.
Brazil represents a major market in Latin America. Its large food and beverage, pulp and paper, chemical, agricultural processing, and manufacturing industries support demand for industrial steam systems. Availability of biomass resources also creates opportunities for steam generation systems designed to use renewable and locally available fuels.
The Middle East & Africa steam boiler market accounted for 5.4% of the global market, reaching USD 0.98 billion in 2025, and is anticipated to grow at a CAGR of 4.95% during the forecast period. Industrial diversification, expansion of manufacturing and processing facilities, and investments in oil and gas, chemicals, food processing, and infrastructure are supporting regional demand. Growing attention to energy efficiency and reliable industrial utility systems is also encouraging investment in modern steam boilers.
The UAE's expanding food processing, manufacturing, chemical, hospitality, healthcare, and industrial sectors support demand for steam generation equipment. Continued industrial diversification and investment in energy-efficient infrastructure are creating opportunities for modern boiler systems.
Saudi Arabia's industrial diversification, expansion of petrochemical and manufacturing activities, and investments in food processing and other non-oil industries continue to support demand for steam boilers. Development of new industrial facilities and growing emphasis on efficient energy use are creating opportunities for advanced steam generation technologies.
Key players in the steam boiler industry are strengthening their positions through high-efficiency boiler designs, fuel-flexible systems, electrification, digital controls, and lower-emission technologies. Manufacturers are developing boilers capable of operating with biomass, biogas, hydrogen blends, electricity, and conventional fuels to meet different industrial requirements. Growing pressure to reduce fuel consumption and emissions is also encouraging investment in economizers, waste heat recovery, automated controls, and cleaner steam-generation systems.
Thermax: A Prominent Player in the Market
Thermax is a major energy and environmental solutions company with a broad portfolio of industrial steam boilers and large-scale steam-generation systems. Its offerings include oil- and gas-fired boilers, biomass-based systems, waste heat recovery solutions, and high-capacity boiler technologies. The company serves industries such as power generation, chemicals, food processing, pharmaceuticals, textiles, and other process industries.
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Author's Details
Research Analyst
Priyanka Nichite is a market research professional with 2.5 years of experience supporting strategic intelligence across the chemicals, energy, and power sectors. She specializes in market sizing, industry analysis, competitive assessment, demand analysis, trend evaluation, and strategic research.
Her work focuses on understanding market structures, growth drivers, technology developments, regulatory influences, investment patterns, and competitive dynamics. Priyanka has contributed to research covering chemical products, industrial applications, energy technologies, power generation, and electrical infrastructure.
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