A Review of Energy-Efficient HVAC (Heating, Ventilation, and Air Conditioning) Systems for Smart Buildings. Journal of Global Research in Multidisciplinary Studies(JGRMS), [S. l.], v. 1, n. 12, 2025. DOI: 10.5281/. Disponível em: http://saanvipublications.com/journals/index.php/jgrms/article/view/77. Acesso em: 10 jan. 2026.