Dr. João Nuno Pinto Miranda Garcia is Assistant Professor at the Mechanical Engineering Department of the Lisbon Superior Institute of Engineering (since 2016) and the Polytechnic Institute of Setúbal (since 1996), bringing over three decades of expertise in Refrigeration, HVAC systems, and Energy Efficiency. He earned his PhD in Mechanical Energy and MSc from Instituto Superior Técnico (IST), where he also completed his Mechanical Engineering degree. His industry experience includes roles as Technical Director Assistant at ARNEG PORTUGUESA (1990–1993), Technical Director at ATECNIC (1994–1996), and a decade as a designer and consultant for Refrigeration and HVAC systems. Actively engaged in research, Dr. Garcia has participated in international and national R&D projects for over 20 years, focusing on HVAC, Geothermal Energy, Food Processing, and air quality, while also providing technical consultancy for the Portuguese Energy Certification System (2007–2010). Recognized as a Specialist in Refrigeration (Polytechnic Institute of Lisbon, 2012), he has served as President of the Standardization Technical Subcommittee CT56 (CEN/TC 89) since 2012. A prolific author, he has published 50+ articles on topics spanning food science, pollutant dispersion, and sustainability, and has organized numerous international conferences in these fields.