paXos Solar is a German cleantech company focused on roof-integrated energy and solar systems. Its core product, the patented Multi-Energy Roof, turns the building envelope into an active energy source and maximizes the energetic potential of a roof. It generates electricity and uses solar heat to support heating systems, increasing efficiency and reducing CO2 emissions. paXos combines product development, system integration and craft-based installation, working closely with roofers, architects and research partners. The solution was awarded the German Solar Award 2024 and is in production.