In this Research Note, we examine aedifion, a German AI HVAC optimization startup which has over 400 buildings under management, accounting for more than 4.2 million square metres. aedifion Profile aedifion GmbH is a startup based in Cologne, Germany, offering an AI-enabled platform for energy optimization in non-residential buildings. The firm was established by Dr.-Ing. Johannes Fütterer in 2017, having been spun out of RWTH Aachen University’s Institute for Building Technology.  aedifion technology enables plug-and-play connectivity as well as customized measures for retrofitting and autonomous, AI-powered control, ensuring the sustainable operation of buildings. According to the company, its software can reduce operating costs by 22%. 2024 Growth The company reported on a successful year in March 2025 with a year of significant expansion, doubling its revenue and broadening its market reach. The firm onboarded 18 new clients, bringing its total customer base to 95 across seven countries, including the UK, Luxembourg, Switzerland, Austria, Poland, the […]