The energy transition is in full swing. Legislation is changing, energy prices are fluctuating, and the pressure to make buildings more sustainable is increasing. For owners and managers of commercial buildings—such as offices, schools, healthcare institutions, hotels, and business complexes—it is therefore becoming increasingly important to make installations future-proof. One of the developments that is gaining traction is the rise of H2-ready central heating boilers. What exactly does this mean, and why should you invest today in a boiler prepared for hydrogen while the current gas grid still runs largely on natural gas? In this blog, we explain why an H2-ready boiler can be a smart choice right now.
What is a hydrogen- or H2-ready central heating boiler?
An H2-ready boiler is a heating system suitable for a natural gas grid blended with up to 20% hydrogen. Some systems can already be adapted for 100% hydrogen use. The H2-ready boiler is technically prepared and tested for changing gas compositions, stable and safe combustion, and the future sustainability of the gas grid. With newer, modern commercial boilers, this often means the burner technology is upgraded with smart combustion control. They are optimized for emissions management and are compatible with future energy carriers
Lower CO₂ emissions
When hydrogen is blended into natural gas, the building's fossil CO2 emissions decrease immediately. This is because the byproduct of burning hydrogen is simply water vapor (H2O). However, it is worth noting that a 20% hydrogen blend does not automatically equate to a 20% CO2 reduction. This is due to the fact that the calorific value of hydrogen is 67% lower than that of natural gas. In practice, blending 20% hydrogen into natural gas results in a CO2 reduction of approximately 7%. For this to be effective, the blended hydrogen must be green hydrogen, which is produced using sustainably generated electricity from sources like wind turbines, solar panels, or hydropower.
How is hydrogen produced?
Hydrogen (H2) does not occur in its pure form in nature and must therefore be produced. Green hydrogen is produced by introducing electricity to water, which splits the water into hydrogen and oxygen. This process is called electrolysis. This splitting process requires a significant amount of electricity, and for green hydrogen, it is essential that this electricity is sustainably generated by solar panels, wind turbines, or hydropower. Through this splitting process, hydrogen can be captured, stored, and utilized.
In addition to green hydrogen, there are also grey and blue hydrogen. With these forms, hydrogen is obtained by reacting natural gas with water (steam). In the production of grey hydrogen, the emissions of CO2 (carbon dioxide, a greenhouse gas) are high, making it unsustainable. With blue hydrogen, the produced CO2 is captured and reused or stored, resulting in lower greenhouse gas emissions and rendering it less harmful. However, blue hydrogen is still obtained by utilizing a fossil fuel.
Why is purchasing a hydrogen-ready boiler a good idea for commercial buildings?
For large buildings, reliability and continuity are crucial. Furthermore, commercial installations are large, costly, and have a long operational lifespan. A fully electric solution, such as heat pumps, is not always suitable, as peak demand can become critical when relying solely on an electrical installation.
Organizations with large buildings often opt for a hybrid setup. By combining an H2-ready boiler with a heat pump, an organization is guaranteed heating and hot water during peak demand, the installation remains highly reliable, and the building owner achieves substantial savings on gas consumption. Gas grids will gradually green up, and emissions regulations will become stricter. In addition, sustainable installations are becoming increasingly important for property value and energy labels. With an H2-ready boiler, you, as a building manager, are fully prepared for the future.
Would you like to learn more about an H2-ready central heating boiler?
With an H2-ready boiler, building managers can make their property more sustainable and prepare it for the future. If you would like to learn more about a hydrogen-ready boiler, we would be happy to provide you with further information. You are also always welcome to visit our factory. We have a working hybrid system on display for you to view. In addition, you can see firsthand how we manufacture our hydrogen-ready boilers.
Back to the overview