HERSUS Project Open House in Thessaloniki took place from the 8th till the 16th of June 2023 with an exhibition open to the public at the Centre for Architecture of the Municipality of Thessaloniki. The exhibition presented the activities and results of HERSUS Project, including six Intelectual Outputs, three International Student Workshops, awarded projects with Prize on Modern Built Heritage, as well as HERSUS international presence and media projection. The HERSUS project proposes enhancing and testing of innovative teaching practices in the field of sustainability of the built heritage and strives to enhance the competence and motivation of educators and researchers to include curricula elements that will have tangible results, preparing students and educators to become real actors of the environmental change.