Andreas Zahner has been working at UIV Urban Innovation Vienna, the City of Vienna's climate and innovation agency, since 2021. Here he has helped to set up an advisory service that provides guidance and support on issues relating to renewable energy. Vienna has set itself the goal of overcoming its dependence on oil, gas and coal and switching the city's heating and cooling supply to renewable energy sources. The Climate and Innovation Agency offers free advice, individual support and tailored information to property owners, property managers, Viennese businesses and all Viennese. We accompany you step by step in the transition to renewable energy systems.