The present invention provides a temperature adjusting device for pets that can more suppress the occurrence of uncomfortable feeling and defects caused by liquid such as water on a heat conductor. The temperature adjusting device for pets has a heat conductive body； a thermoelectric conversion element that adjusts the temperature of the heat conductive body； and a heat sink that radiates heat from the thermoelectric conversion element； A sheet portion provided at the second end portion of the heat conductor and a mounting portion for mounting the thermoelectric conversion element； and a portion provided between the sheet portion and the mounting portion to prevent the first end portion from reaching the second An infiltration preventing portion for infiltration of water on the end side.本發明提供一種更能夠抑制因熱傳導體上的水等的液體使不舒服的感覺、缺陷產生的寵物用溫度調節裝置。寵物用溫度調節裝置具有熱傳導體；調節該熱傳導體的溫度的熱電變換元件；以及將該熱電變換元件的熱散熱的散熱體；該熱傳導體具有在該熱傳導體的第一端部設置的薄片狀的片狀部；設置在該熱傳導體的第二端部，安裝該熱電變換元件的安裝部；以及設置在該片狀部與該安裝部之間，防止從該第一端部向該第二端部側的水的滲入的滲入防止部。
