Vyas Sneha, Sharma Anupama, Energy Efficiency in Commercial Buildings: Challenges, Opportunities, and Solutions (Review), Journal of Energy Conservation, Volume 1, Issue 4, 2023, Pages 7-10, ISSN 2642-3146, https://doi.org/10.14302/issn.2642-3146.jec-23-4568. (https://jndc-chemistryarticles.infojec/article/2024) Keywords: Building automation systems (BAS); energy efficiency; renewable energy