Assessment of Thermal Comfort Using PMV, aPMV, ePMV and TSV Indices in a Naturally Ventilated Building

Thermal comfort significantly impacts human health and activity in offices, hospitals, and residential and commercial buildings. A study of thermal comfort was carried out in a naturally ventilated building in the city of Yaoundé. Thermal comfort indices such as the predicted mean vote (PMV), the adaptive predicted mean vote (aPMV), the extended predicted mean vote (ePMV) and the thermal sensation vote (TSV) were used for this study by considering two scenarios; the first in an ideal environment and the second in a real environment. Using the Humphrey model, we obtained a comfort temperature of 26.66 °C, corresponding to the operating temperature to the nearest 0.1. Whether in an ideal or real environment, the PMV index is unsuitable for studying thermal comfort in a naturally ventilated building. In an ideal environment, the aPMV index is the most appropriate for assessing thermal comfort, but in a real environment, the most appropriate index is the ePMV index.