Fecha de publicación: 19/05/2022 Fuente: Wipo "IOT" The present invention relates to an IoT-based total heat exchange ventilation system, which can increase energy efficiency during heating and cooling, comprising: an IoT sensor module installed in an indoor place; an IoT device operated by a control command; an IoT gateway; an air quality status providing server for collecting and providing outdoor air quality information; a platform server; and a user terminal communicating with the platform server. COPYRIGHT KIPO 2023