The staff training was held in Madrid from December 12 to 14, 2023, organised by the Rey Juan Carlos University. On the first day of the workshop, the lectures were about past and current Engineering and Technical School (ETSIT) projects in Energy Efficiency in Building using WSN (wireless sensor networks). Also, a workshop was held on monitoring management and visualisation techniques in DashBoards for a time series ideal for monitoring systems in smart spaces. The workshop was also about creating digital twins with alternative software for creating spaces intelligently and categorising them. In addition, participants had the opportunity to listen to lectures on educational gamification and create podcasts. On the last day, a workshop was held on circular economy for sustainable waste management. A visit to the Municipal Housing Institute of Fuenlabrada IMVF was organised, where directions for energy efficiency in the city and new projects were presented. A visit to the packaging recycling plant (Fuenlabrada) was also arranged. https://www.smartwb.ucg.ac.me/page.php?id=12