CLOTHING AND THERMAL COMFORT AT 20°C OF AIR TEMPERATURE IN WINTER

It is recommended to set the room temperature at 20°C during winter for energy conservation. However, it is necessary to maintain the thermal comfort and health of occupants even under the low room temperature. Therefore, the individual adjustments by occupants will still require careful choice of clothing.The present paper shows how residents would be dressed and perceive the temperature in a 20°C room, based on questionnaire survey, it investigates environmental and clothing conditions that provide thermal comfort in a 20°C room by conducting an experiment with human subjects and thermal manikin in chamber and computing the PMV and SET*.