Then main objective of this work is to create subsidies for an analysis of Predicted MeanVote (PMV) from ISO 7730 (1994), for thermal comfort evaluation in Brazilianworkplaces. The clothing industry in the city of Amparo, So Paulo State, was chosen forthe study. A survey among the workers was carried out through questionnaires, collectingdata about thermal sensation, clothing and workers activities. Dry and wet bulbtemperatures, globe temperatures and air speed were also measured, simultaneously to thequestionnaires.