The classrooms in Chongqing are taken as a study subject in this paper. Measurements of the indoor thermal environmental parameters, e.g., indoor dry/wet bulb temperature, and air velocity, were taken. Combined with the questionnaire, which included the thermal sense value of the occupants, the winter classroom thermal environment was evaluated. Measures for improving the classroom indoor thermal environmental quality were also given. The lower limit air temperature of the non-air conditioned classrooms in winter was determined to be 14.04?, corresponding to an acceptable thermal environment by up to 80% of the occupants.
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