“…It is characterized by the presentation of subjective evaluations, which are affected not only by personal factors but also by psychological factors, the time of day, or by physical conditions [8]. In a study conducted by Sassa et al, when individuals were allowed to adjust indoor temperatures to the temperatures felt comfortable by them in an artificial climate room where temperatures were not indicated, a large temperature difference of 7.2 C was seen among 29 test subjects [9,10]. Thus, the definition of "thermal comfort" differs depending on behavior patterns, psychological conditions, climate, race, age, gender, and the degree of fatigue that subjects experience [8,11].…”