Rinnai-UK: How does Hydrogen Heating work?

In a world striving for cleaner and more sustainable energy solutions, hydrogen along with renewable liquid fuels have emerged as a promising alternative for heating and commercial DHW systems. With its ability to produce heat without carbon emissions, the feasibility of Hydrogen heating has been increasingly explored over recent years to establish whether it will be a viable option for the future. But what exactly is hydrogen heating and how does it work?