Monument conservation and future viability - how do these terms fit together? How can old buildings be preserved in their full splendour without limiting their users' individuality and comfort? How can historic buildings be integrated into vibrant public life? The experts at the Fraunhofer Centre for the Energy-Saving Renovation of Old Buildings and the Preservation of. Monuments devote themselves to such questions. Together with many partners from science, skilled trades, and the public sphere, they develop solutions to bring old buildings up to date and make them fit for the future. The cooperage of the former Benediktbeuern Monastery was used as an experiment and renovated perfectly. A win-win situation for the researchers and the monks.