with Dr Ernst Schriefl, Schöberl and Pöll GmbH The presentation will focus on Vienna's two successful EnerPhit refurbishments of high-rise office buildings (from the administration and the university sector). Dr Schriefl will present and discuss the construction and energy challenges and solutions. Monitoring results - where available - will be given. This iPHA member webinar will last approximately 90 minutes and is worth 2 Passive House Continuous Education (CEPH) credit points. …