The Nordic Council of Ministers' Office in Latvia in cooperation with the Institute of Energy Systems and Environment of the Riga Technical University offering a series of podcasts “Sustainable Worlds”.

The podcast episode is focused on energy efficiency in historic buildings. Dr. Ernst Jan de Place Hansen from Aalborg University in Den mark and professor Andra Blumberga from Riga Technical University in Latvia will reflect on topic about energy efficiency in historical buildings. Discussion is moderated by Dr. Kārlis Valters from the Riga Technical University.

Europe’s building stock is both unique and heterogeneous in its expression of the cultural diversity and history of our continent. About 30% of the buildings in Europe are built before the year 1945. Historic buildings, with unique and beautiful facades, cannot be insulated from outside. When they are insulated from the inside, problems arise with, e.g., condensation of humidity. What really happens in a wall insulated from the inside? How to insulate it in the best possible way? Can this be tested in laboratory?