Everyone spends more than half of his life indoors. The dangers that lurk there are many unknown or ignored. In addition to conventional causes such as carbon dioxide and exhaled moisture, sources of air pollution are toxins from escaping furniture and furnishings. Stale air not only affects the physical and mental performance, but may lead in the long term to health damage. Thus, it is necessary to ensure a regular exchange of air for a sufficiently good air quality. Regular airing of interiors is therefore an important aspect in the context of a balanced indoor climate. In most cases, the airing of the rooms will only be partially or not performed.
A system provides active support for detection an inadequate indoor air quality. This intelligent indoor monitoring solution has a sensor, that measures the CO2 content of the ambient air and compares it with a defined setpoint. The in 2008, developed by the Federal Environmental Agency, established guideline values for carbon dioxide in the ambient air serve as defined limit values for air quality sensor technology. Based on this comparison, a visual feedback is issued by a controlled lamp in form of changing light color. Whichever value is detected by the sensor, the color spectrum varies smoothly from green for "uncritical", to yellow for "conspicuous" to red for "not acceptable".
The difference compared to already established products on the market is, that the system can access multiple external devices which have their own radio interface, so that these devices can act as actuators. Thus, a connection to the internet and also storing data in the cloud is not necessary. Therefore, with an appropriate design of the energy supply, the system can also be used for mobile application, which is another advantage to conventional systems.