抄録
It is recommended to be kept room air temperature of 20℃ in winter for conservation of energy. The present study shows human thermal sensation when the temperature of the room is lowered and influences on thermal comfort by clothing condition and difference of sitting posture, by experiments with subjects at chamber. Clothes were assumed to be the one generally worn in the house, sitting posture were to sit on the chair, and directly on the floor. Moreover it experimented about physiological and psychological human responses on floor heating in air temperature of 20℃.
