Ortega, Gabriela, and Carmel O’Brien. “Designing Energy-Efficient HVAC Systems for Commercial Buildings”. International Academic Journal of Innovative Research 9, no. 4 (December 30, 2022): 1–6. Accessed September 20, 2026. https://iaiest.com/iaj/index.php/IAJIR/article/view/IAJIR0925.