Abstract

Field experiments, using survey questionnaires and physical measurements simultaneously, were conducted in residences in Taiwan to investigate Taiwanese subjective thermal responses and comfort perception. Responses from those subjects suggest a thermal preference temperature, 25.0 °C lower than the thermal neutral temperature, 26.0 °C, by 1.0 °C. A new predicted formula (PD-TSV) of percentage of dissatisfied relating to mean thermal sensation votes is suggested. In comparison with the PMV-PPD model, the new formula reveals that besides an increase in minimum rate of dissatisfied from 5% to 11% and a shift of the TSV with minimum PD to the cool side of sensation scale is found. The limits of sensation votes corresponding to 80% acceptability are −1.50 and +0.70, and a suitable comfort zone of 80% acceptability for Taiwan range from 20.9 to 28.9 °C.

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