Edited by Giovanni Pernigotto, Ilaria Ballarini, Francesco Patuzzi, Alessandro Prada, Vincenzo Corrado, and Andrea Gasparella the proceedings of the Building Simulation Applications (BSA) Conference, held at the Free University of Bolzano-Bozen from June 26th to June 28th, 2024, cover a plurality of topics ranging from the study of the performance of components of the building envelope and of the HVAC system to the analysis of the existing building stock and urban-scale simulations, of indoor environmental quality and occupants' behaviour to support advanced building design, optimization of energy efficiency and flexibility. The proceedings are available as open access download from the bu,press webpage.