Hot water and heating are staples of modern life and it's sometimes easy to forget that, for most of us, our hot shower in the morning is made possible by burning natural gas. In this episode, Dr Adam Hawkes, Director of the Sustainable Gas Institute, is in the hot seat to explain how heat pumps and hydrogen could decarbonise our heating system. We discuss how the technologies work, the challenges of large-scale deployment, and what conflicts there are with the parallel decarbonisation of the power system.