To find out the odor reproduction tendency during the evaporator operation, five times of odor reproduction experiment were performed. The inflow air temperature was set at 25 ◦C and relative humidity ranged from 50 to 70%. The evaporator operation time was varied to find the relationship between evaporator operation time and odor reproduction. Evaporator operation time, inlet temperature and relative humidity of the evaporator, 100% relative humidity continuation time at the outlet of evaporator, odor continuation time, and odor intensity were measured