University classrooms are the primary spaces where students spend most of their time and have a prominent impact on the occupant's thermal comfort, health, and productivity. A subjective assessment of indoor thermal comfort in university classrooms was carried out during winters and summers to examine thermal sensation, preference, acceptance, productivity, and sick building syndrome in the composite climate of Lahore, Pakistan. The initial results showed that 63% and 37% of the occupants voted in the uncomfortable range in the summers and winters, respectively. The case study building...