PURPOSE: A dryer is provided to increase the heating efficiency of air supplied to a drum unit and to minimize energy consumption. CONSTITUTION: A dryer includes the following components. A drum unit(120) stores dried objects. A duct unit(130) guides air passing through the drum unit. Heating units(150) are installed in the duct unit to heat the air. The heating units include a thermoelectric element(160) generating heat with a Peltier effect.
