Abd Halim Embong, Syamsul Bahrin Abdul Hamid, Muhammad Syahir Fathuddin Shukran, Nur Bidayatul Hidayah Abdul Kader, & Muhammad Arfan Zulkifli. (2026). IIoT-Based Real-Time Monitoring and Predictive Maintenance System for Air Conditioning Ducting Systems. Journal of Engineering Technology and Applied Physics, 8(2), 179–186. https://doi.org/10.33093/jetap.2026.8.2.24