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We're a team of energy experts and digital nerds with a passion for getting homes off fossil fuels. 

The Onezero team has decades of experience in home energy transformation. We're building a movement that brings people together to transform their homes.

One of the biggest climate actions anyone can take is retrofitting their home. But today, it's too hard for homeowners to pick the right technology and find the right installer team. Our mission is to make that process as simple and enjoyable as possible. The best part is, it makes homes more comfortable, cheaper to run, and healthier to live in.

Our secret? Community and trust. We connect teams of local installers with communities, minimising costs, emissions and waste. We pass all those savings on to you.

That transformation is just the beginning. Communities around the world are already teaming up to sell their energy back to the grid. Onezero homes will be perfectly positioned to benefit from the sustainable energy grid of the future.


Howard Johns - CEO

Howard has founded and led an award winning solar business, a community-owned energy company, and written a guidebook to help others to do the same. He has campaigned on energy and climate issues from inside parliament and atop treehouses. Before founding Onezero he ran a large fleet of solar projects across the EU and UK.

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Alex Fleetwood - CPO


Alex has founded and led two augmented reality games companies, both of which gained global recognition for innovation and creativity. He's shipped many games including Beasts of Balance, winning multiple awards and retailing in Apple Stores worldwide. He left the world of game development behind to take action on climate. 

Lauren Cooney - creative adviser

Lauren is an app creator, storyteller and filmmaker. She is passionate about using tech to tell better stories about ourselves, our lives, and the world we live in. She is the co-founder of GASM, the sexual wellness app. 


Leif Elgethun - US adviser

Leif is a serial eco-entrepreneur, founding no less than 5 climate tech companies. As the founder of Retrolux, he built complex software to help commercial building owners add solar. He's a community and industry thought leader, father, and gravity sports athlete.

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