2020 No https://doi.org/10.1016/j.buildenv.2020.106802 Jiang, Jing Asia Experimental Observational Students Elementary (K-5) Middle/Jr High (6-8) High School (9-12) Temperature Humidity Other indoor thermal environment Adaptive thermal comfort Field investigation Classrooms Cold climate Field data from winter classrooms in Northwest China assessed thermal comfort in pupils aged 9–11. Results revealed lower preferred temperatures and adaptation to cold. Study informs localized heating design for rural schools.