Tepeo is a company that offers the Zero Emission Boiler (ZEB), a low carbon replacement for traditional boilers used for heating homes. The ZEB works by storing energy as heat and releasing it when needed. It is powered by low carbon electricity and uses a smart charging algorithm to optimize energy usage and minimize costs. The company emphasizes the environmental benefits of their product, as it reduces carbon emissions associated with heating. They provide an app that allows users to monitor and control their ZEB, providing insights into energy use, cost, and carbon impact. Tepeo also collaborates with approved installers and offers resources and support for both homeowners and installers.