To provide a bathroom ventilating heating drier having a control system for approaching a preset temperature in a short time when setting a temperature in a bathroom to the low temperature side.

This bathroom ventilating heating drier has a circulating fan for circulating air in the bathroom, a heating means for heating the air circulated by the circulating fan, a ventilating fan for exhausting the air in the bathroom outside the bathroom, a bathroom temperature detecting means for detecting the temperature in the bathroom, a bathroom temperature setting means for setting the temperature in the bathroom and a control means for controlling these means. The control means performs bathroom inside cooling operation for driving the ventilating fan according to a temperature difference between a bathroom temperature detected by the bathroom temperature detecting means and the preset temperature set by the bathroom temperature setting means when resetting the bathroom temperature to the low temperature side in operation or just after completing the operation so that a bathroom inside temperature becomes the preset temperature in the bathroom.