Hydrogen is a zero-carbon fuel source because burning hydrogen gas does not emit carbon emissions but pure water.

In 2019, the BDR Thermea Group was successful in the first real-life application of a hydrogen boiler when it field-tested the world’s first hydrogen-powered domestic boiler in Rozenburg, the Netherlands. In addition, the boiler burned pure hydrogen produced by wind or solar energy without releasing any carbon dioxide.

Keep reading this post to learn more about the global top 8 hydrogen boiler companies.

Global Top Hydrogen Boiler Manufacturers [2025]

Here are the world’s leading hydrogen boiler manufacturers (listed alphabetically):

Baxi (BDR Thermea Group)

Baxi is one of BDR Thermea Group’s most global brands and is also among Europe’s prominent manufacturers of domestic and commercial water- and space-heating systems.

The company has factories in Italy, Spain, the UK and the U.S., with the Baxi range sold in 70+ countries worldwide.

Baxi offers a wide range of tailored solutions—from high-efficiency combi boilers to connected services.

Baxi’s products & services include:

• Heat pumps
• Hydrogen boilers
• Commercial solutions
• Fuel cells
• Hot water solutions
• Residential boilers
• Thermostats

Baxi makes carbon-free heating possible with their 100% hydrogen boiler, which heats water and homes without releasing carbon dioxide.

Currently, Baxi’s hydrogen boiler is available for specific field trials and validation programs that the company runs with gas grid providers, utility companies, and local or national governments.

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Babcock & Wilcox Enterprises Inc

Babcock & Wilcox Enterprises Inc. is one of the major players in the hydrogen boiler market. It was founded in 1867 in Providence, Rhode Island. It is currently headquartered in Barberton, Ohio, United States. 

It is known for its BrightGen™ hydrogen combustion technology that ensures zero CO2 emissions and thus helps clients reduce their carbon footprint. Babcock & Wilcox hydrogen boilers provide the versatility to be integrated with existing boiler systems or as new systems. 

Apart from hydrogen boilers, it offers ClimateBright™ Suit,e which includes carbon capture and hydrogen production technologies.

Cleaver-Brooks, Inc.

Cleaver-Brooks was founded in 1929 and is one of the leading players in the hydrogen boiler manufacturing market. Its hydrogen boilers offer custom-engineered burner systems to burn hydrogen along with other alternative fuels, thus enhancing its efficiency. 

It offers a range of boilers, such as firetube and water tube boilers. Its boilers achieve less than 9 ppm NOx emissions while burning hydrogen, making it highly efficient. It is headquartered in Thomasville, Georgia, USA. 

Jericho Energy Ventures

Jericho Energy Ventures is a publicly traded, deep-tech venture capital and incubator platform. By investing in early-stage and near commercial-ready clean technologies driving decarbonization, the company provides an opportunity to participate in high-growth, hydrogen-related themes with a global reach.

Hydrogen Technologies a subsidiary of the Jericho Energy Ventures Corp, owns and operates a patented zero-emissions hydrogen boiler and direct-fire burner. Their breakthrough method of burning hydrogen and oxygen in a vacuum chamber creates high-temperature heat and steam with zero greenhouse gases. Their cleanH2steam DCC™ Boiler ensures efficiency of up to 30% greater than traditional hydrocarbon boilers. It was awarded the “Solar Impulse Efficient Solution” Label for a clean and profitable solution to protect the environment.

Jericho Energy Ventures identifies disruptive technologies in:

• Hydrogen production, storage, and applications
• Battery storage and technology
• Carbon Capture Utilization and Storage (CCUS)
• New energy systems

From creating a proof of concept to attracting strategic partners and providing support (like back-office accounting) to growing organizations, Jericho Energy Ventures is committed to the growth of its portfolio companies.

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Miura Co Ltd

Tamotsu Miura was established about 60 years ago, in 1959. It is currently operating in more than 50 countries, including Japan. It is known to have a kind of hydrogen-fired steam boiler that is already used in Japan. 

Miura has about 30 operational hydrogen-fueled boilers. They are efficient and produce zero CO2 during their operation. It offers hydrogen boilers with new low NOx burners that reduce nitrogen oxide emissions. Its modular designs such as SI-2000-VS/AS and AI-2500 16S/20S. 

In 2021, Miura Co Ltd announced its partnership with Clean Planet Inc., to develop industrial boilers that will use Quantum Hydrogen Energy (QHe) to ensure reduced high heat density and zero CO2 emissions.

Valliant Group

The Valliant Group has been known for its energy-saving technology internationally for about 150 years. They specialize in services like heating, ventilation, air-conditioning, heat pumps, photovoltaic systems, gas water heaters, and hydrogen boilers. 

It was founded in 1874 and is headquartered in Remscheid, North Rhine-Westphalia. The Valliant Group technologies include hybrid systems, installers, and other digital solutions. These technologies are being developed at eight sites in Europe and China. Their major technologies include: 

• Heat Pumps
• Gas-condensing boiler technology
• Hybrid heating systems
• Digital Solutions 

 Currently, the Valliant Group is aiming to achieve a milestone of making gas boilers "hydrogen-ready" under the UK Government Hydrogen Strategy 2026.

Viessmann Group GmbH & Co. KG

Founded by Johann Viessmann, the Viessmann Group is a family-owned company for four generations and manufactures heating and refrigeration systems.

The following are Viessmann Family Holding’s business areas:

• Viessmann Climate Solutions
• Viessmann Refrigeration Solutions
• Viessmann Investment

The Viessmann Vitodens gas condensing boilers represent the company’s best-selling range with key features such as compactness, ease of use, energy efficiency, and user-friendly design. 

Viessmann’s pilot projects and use cases for hydrogen operation are found around the world—from helping a hotel use self-generated hydrogen from biomethane to providing a hydrogen-fired steam boiler in Jordan.

Additionally, Viessmann is providing hydrogen-powered condensing boilers, with a complete hydrogen infrastructure being created in Kaisersesch in Rhineland-Palatinate by 2023 as part of a pilot project.

Under this project, the first practical deployment is planned for the Viessmann hydrogen boiler based on the company’s natural gas-condensing Vitodens boiler adapted for operation with pure hydrogen.

Worcester Bosch

In 1962, Cecil Duckworth founded Worcester Engineering Co., Ltd., which became part of the worldwide Bosch Group in 1996. The company is a market leader in domestic boilers with a comprehensive product range including boilers, boiler controls, heat pumps, and hybrid systems.

Worcester Bosch is one of the leading hydrogen-ready combi boiler manufacturers and offers boilers in gas, propane (LPG), and oil fuel types.

Worcester Bosch offers the following boilers:

• Combi boilers (compact and perfect for smaller properties)
• System boilers (suitable for homes with more than one bathroom)
• Regular boilers (perfect for homes with two or more bathrooms)

Worcester Bosch provides a “Find a New Boiler” tool on its website to help customers find new boilers suitable for their home and heating requirements.

In addition, Worcester Bosch has provided hydrogen boilers for the UK’s first 100% hydrogen home public demonstration as part of “The Hydrogen House” project to facilitate the safe implementation of hydrogen gas into the gas network and, ultimately, homes.

Let us look at a few other developments related to hydrogen boilers in the UK.

As the majority of UK homes currently use natural gas for heating, it is essential to make a change in home heating technology to meet climate change targets.

According to British Gas (an energy and home services provider in the UK), the switch to hydrogen is being planned in three main stages—starting with a new “hydrogen-ready” standard for new boilers (Stage 1) and introducing a 20% hydrogen blend (20 hydrogen) into the gas supply (Stage 2) followed by the gas supply switching to 100% hydrogen (100 hydrogen) (Stage 3).

How much does a hydrogen boiler cost? An industry news source reports that the hydrogen boiler cost varies based on location and boiler type, with a new boiler cost ranging from EUR 500 (low) to  EUR 2,750 (high).

Efforts are being made to phase out gas-only heating and bring hydrogen heating to UK homes. For instance, the Department for Business, Energy and Industrial Strategy (BEIS) examines a strong case for introducing “hydrogen-ready” domestic boilers in the UK from 2026.

National Grid, an energy company operating in the UK and US, is also exploring the potential of linking industrial clusters in the UK’s northeast with hydrogen pipelines before the decade's end.

Wrapping Up

When it comes to boilers, there are various options. While a natural gas boiler burns gas, an electric boiler heats water by passing an electric current through a heating element. Although electric boilers are quieter with no risk of a carbon monoxide leak, they are more expensive to run than gas boilers due to the price of electricity.

Hydrogen is a versatile energy carrier. Moreover, hydrogen boilers are energy efficient and eco-friendly compared to fossil fuel-powered boilers, such as regular gas boilers.

Hydrogen boilers show a lot of promise in making hydrogen a suitable replacement for fuel in existing heating systems. Pairing hydrogen-ready boilers with a renewable energy source like solar panels and wind turbines will also increase their efficiency.

As we step towards a zero-carbon future, hydrogen boiler manufacturers are vital for the progression of clean, sustainable hydrogen technology.

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