The bathroom has a high humidity environment along with the kitchen and washroom. In particular, the mold contamination in the bathroom is widely recognized to affect to health and an aesthetic problem. Although many surveys on the thermal environment of the bathrooms have been conducted, only a little attention has been paid to the inside of the thermal environment in bathtub apron, and these surveys and researches are not sufficient. In this study, we report the results of a survey on the thermal environment around the bathroom, including the inside of the apron, and the habitat environment of wet mold.
