PURPOSE: To prevent a drop in the temperature of humidified air being blow out in a vaporization type device.

CONSTITUTION: This humidifier which comprises an evaporator 4 made up of a water absorbing material while having a plurality of through holes, a feeder 2 which discharges air passing through the through holes of the evaporator 4 with water being supplied thereto at a blowoff port and a heating means 31 to heat the air passing the through holes. In addition to a first blowing path 21 through a blower 2, the evaporator 4 and a blowoff port 12, a second air feeding path 22 is arranged to connect the blower 2 and the heating means 32 to the blowoff port 12 and not through the evaporator 4. The air blown out through the second blowing path 22, namely, that heated while none passes through the evaporator 4 helps raise the air cooled through the evaporator 4.