Train HVAC Market Report 2026

The train hvac market size has grown steadily in recent years. It will grow from $14.57 billion in 2025 to $15.29 billion in 2026 at a compound annual growth rate (CAGR) of 4.9%. The growth in the historic period can be attributed to expansion of passenger rail services, growth in high-speed rail networks, increasing demand for onboard comfort systems, adoption of electric trains, availability of advanced refrigeration technologies.

The train hvac market size is expected to see steady growth in the next few years. It will grow to $18.56 billion in 2030 at a compound annual growth rate (CAGR) of 5%. The growth in the forecast period can be attributed to increasing focus on low-emission rail systems, rising adoption of smart hvac controls, expansion of sustainable rolling stock designs, growing investments in passenger experience enhancement, increasing regulatory focus on refrigerant standards. Major trends in the forecast period include increasing adoption of energy-efficient hvac systems, rising use of natural refrigerants, growing integration of smart climate control systems, expansion of hvac solutions for high-speed trains, enhanced focus on passenger comfort optimization.

The increasing demand for public transport is expected to drive the growth of the train HVAC market going forward. Heating, ventilation, and air conditioning (HVAC) systems are designed to provide thermal comfort and maintain good indoor air quality (IAQ). Rapid development in the rail sector, along with significant investment, is encouraging greater use of public transportation, particularly trains. As passenger volumes rise and trains become more crowded, the need for effective HVAC systems to ensure adequate air quality and passenger comfort has grown substantially. For instance, in January 2025, according to the UK Department for Transport (DfT), a UK-based government agency, Great Britain recorded 1.61 billion rail passenger journeys in the 2023-2024 financial year, up from 1.38 billion in 2022-2023, representing a 16.4% increase. Therefore, the rising demand for public transport is driving the train HVAC market.

Major companies in the train HVAC market are focusing on developing innovative products, such as propane-based HVAC systems, to enhance energy efficiency. A propane-based HVAC system utilizes propane as its primary fuel source to provide heating and cooling for residential or commercial spaces. For example, in July 2024, Liebherr-Transportation Systems (Liebherr TS), an Austria-based company that designs, develops, tests, and supplies systems and components for the transportation industry, launched propane-based train HVAC systems for Stadler. The incorporation of propane in alternative HVAC systems underscores the rail industry's commitment to sustainability, as companies seek to reduce emissions not only from train engines but also from all vehicle components. This innovative approach reflects a comprehensive effort to improve environmental performance across the entire rail operation.

In May 2023, Wabtec Corporation, a US-based provider of rail equipment and rolling stock solutions, partnered with Deutsche Bahn AG to optimize the maintenance and operation of Wabtec equipment on DB trains. Through this collaboration, the companies aim to improve the reliability, availability, and lifecycle performance of equipment, including HVAC systems, door systems, and braking solutions, while exploring advanced technologies. Deutsche Bahn AG is a Germany-based rail operator offering passenger and freight transportation services.

Major companies operating in the train hvac market report include Hitachi Ltd., Siemens AG, Mitsubishi Electric Corporation, Toshiba Infrastructure Systems and Solutions Corporation, Alstom S.A., Škoda Transportation a.s., Kawasaki Heavy Industries Ltd., Stadler Rail AG, Construcciones y Auxiliar de Ferrocarriles (CAF), Transmashholding AG, Nippon Sharyo Ltd., Liebherr-International AG, Carrier Transicold Ltd., Valeo S.A., Knorr-Bremse AG, Faiveley Transport, Honeywell International Inc., Trane Technologies plc, Sumitomo Electric Industries Ltd., Lloyd Electric Engineering Limited, Airrex (Shenzhen) Group Co. Ltd., Toshiba Carrier Corporation, Johnson Controls International plc, Denso Corporation, Hyundai Rotem Company.

Asia-Pacific was the largest region in the train HVAC market in 2025. The regions covered in the train hvac market report include Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa. The countries covered in the train hvac market report include Australia, Brazil, China, France, Germany, India, Indonesia, Japan, Taiwan, Russia, South Korea, UK, USA, Canada, Italy, Spain.

The Train HVAC market consists of sales of split systems, hybrid systems, and duct-free systems. Values in this market are ‘factory gate’ values, that is the value of goods sold by the manufacturers or creators of the goods, whether to other entities (including downstream manufacturers, wholesalers, distributors, and retailers) or directly to end customers. The value of goods in this market includes related services sold by the creators of the goods.

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.

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