Vladimir Mihailov Florin, Maria Gratiela Tarlea. THE INFLUENCE OF VENTILATION SYSTEMS WITH HEAT RECOVERY IN ESTABLISHING CALCULATION HEAT REQUIREMENTS. SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 23rd International Multidisciplinary Scientific GeoConference Proceedings SGEM 2023, Energy and Clean Technologies, Vol 23, Issue 4.1, 2023, pp. 141-148. https://doi.org/10.5593/sgem2023/4.1/s17.18