Development of Low-Cost IoT Units for Thermal Comfort Measurement and AC Energy Consumption Prediction SystemYutong Chen, Daisuke Sumiyoshi, Riki Sakai, Takahiro Yamamoto, Takahiro Ueno and Jewon OhE3S Web Conf., 672 (2025) 01055DOI: https://doi.org/10.1051/e3sconf/202567201055