In the Netherlands the indoor environment is unhealthy. High CO2 levels and unwanted fine dust are circulating in the air. With the high prices of energy this became problematic, indoor environments are fully closed of to reduce heat lose, creating an unventilated house.
With het gezonde huis (the healthy house) we created a tool to measure what you treasure, a healthy house. The tool gives insight in the air concentrations of unhealthy particles and provides a alarm when to ventilate.