What participants said about our 2025 festival
On September 19 2025, our second edition of THE HEAT brought together more than 500 climate-tech professionals for a magical day of networking, storytelling and science-celebrating. Here are some of the responses we received:
“THE HEAT is simply the most energising climate tech gathering I’ve attended – it lifts your ambition, expands your network, and leaves you buzzing with possibility. No other event combines inspiration and utility at this level.” – KM
“This festival captures something no traditional conference comes close to – honest conversations, real insights, and a community that genuinely cares about impact. It’s where the most exciting people in climate tech actually show up.” – ST
“An unmissable festival – inspiring, high-value, and full of people who get things done. I left with meaningful connections and several immediate business opportunities.” – PR
“A truly standout event. Fresh, original and leagues above the usual climate conferences. THE HEAT is where the serious innovators are.” – RM
“THE HEAT was invaluable for us. We met investors and customers we had been trying to connect with for months, and those conversations only happened because of this event. We’re already committed for next year.” – GW
“Sharing a stage with such a world-class lineup at THE HEAT was an honour. The event radiates ambition and optimism, and the calibre of attendees is exceptional. This is where big climate solutions are being shaped.” – RGG
“A day in the sunshine discussing industrial heat pumps while meeting high-quality contacts face to face – unbeatable. THE HEAT is both fun and commercially powerful.” – GW
“THE HEAT has a magic combination of imagination, integrity and ambition – the kind of environment where breakthrough ideas actually emerge. The innovation on display was extraordinary.” – AH
“The Nature Tech stage left me absolutely buzzing. The clarity, passion and real-world relevance of every speaker was inspiring. This is the standard all climate events should aspire to.” – BS
“THE HEAT showcased the very best of Harwell and the wider climate ecosystem. The discussions sparked genuinely new thinking and opened doors for future collaborations. A hugely energising experience.” – MM
“We were proud to be ecosystem partners because THE HEAT brings together the people who really matter in climate innovation. Serious technologies, serious conversations, and a community that cares. Outstanding.” – HS
“A phenomenal day of learning, energy and connection. THE HEAT delivered insights I can immediately use, plus a network of people I’m excited to collaborate with.” – DE
“THE HEAT is not a conference – it’s an experience. Smart, colourful, and full of exceptional people building the future. I’ll absolutely be back.” – DK
“THE HEAT was hot in every way – bold ideas, ambitious technologies and serious momentum. As partners, we were thrilled to see so much real innovation. A truly world-class event.” – KS
“Sunburn at a climate festival feels ironic, but THE HEAT lived up to its name. I met founders, investors and journalists who actually matter. It was energising, productive and unforgettable.” – AG
