“…Passive systems such as natural ventilation devices could achieve the energy efficiency needs and indoor environmental quality (Chenari, Carrilho, & da Silva, 2016; Gil-Baez, Barrios-Padura, Molina-Huelva, & Chacartegui, 2017; Papadopoulos & Avgelis, 2003). Increasingly, they are being used in buildings to improve the fresh air quality and reduce the usage of mechanical (HVAC) systems (Chenari et al, 2016).…”