This smart thermostat is suitable for use in the home as well as in public buildings such as hotels or shopping centres. Depending on requirements, it can be connected to an air conditioning unit, underfloor heating or fresh air supply and thus monitor room temperature, humidity as well as levels of particulate matter and carbon dioxide. The device responds quickly to changes in the environment in order to guarantee healthy surroundings in an energy-efficient way. Its modern design combines a black monitor with metal keys.