Provided is a temperature adjustment device for pets wherein a heat-dissipating body can be cooled more efficiently. The temperature adjustment device for a pet comprises: a heat-conducting body having a sheet-like sheet part； a thermoelectric conversion element for adjusting the temperature of the heat-conducting body； a heat-dissipating body for dissipating heat from the thermoelectric conversion element； a fan for blowing air toward the heat-dissipating body； an intake passage through which air drawn in by the fan passes； and an exhaust passage that is separated from the intake passage, and through which the air drawn in by the fan passes.本發明提供一種能夠更有效率地冷卻散熱體的寵物用溫度調節裝置。寵物用溫度調節裝置具備：具有片狀的片狀部的熱傳導體；調節該熱傳導體的溫度的熱電變換元件；將該熱電變換元件的熱散熱的散熱體；對該散熱體送風的風扇；通過被吸入至該風扇的空氣的吸氣通道；以及與該吸氣通道分離，通過被吸入至該風扇的空氣的排氣通道。
