PROBLEM TO BE SOLVED: To provide an inexpensive and insulation-failure free deodorization machine that is not equipped with a rotating mechanism for a catalyst filter and that can efficiently and uniformly heat the entire catalyst filter using a small size heater.SOLUTION: A deodorization machine includes: an air flow conduit connecting an air inlet port and an air outlet port blower means placed in the air flow conduit and a filter part to remove odor components from the air blown from the blower means, and wherein the filter part includes: a catalyst filter to decompose odor components by adsorption a heater 144 to heat the catalyst filter a heater holding part 143 to hold the heater 144 an abutted part 1424 to be abutted by the heater 144 and a heat dissipation part 1421 to dissipate the heat transferred from the heater 144 to the catalyst filter, and the heater includes a terminal part to be connected to the power cable providing electric-power to the heater, and the abutted part 1421 and the heater holding part 143 are configured such that they cover the terminal part 1446 of the heater 144.
