"Ventitek AR" will provide a basic introduction to the ventilation engineering subject for students in grade 2. The app shows how students can control, among other things, temperature, air volume, air quality and heat recovery. Students can choose between people who prefer different types of indoor climate and see what consequences changes to the indoor climate have for their well-being."Ventitek AR" is an augmented reality app developed by Fagbokforlaget and Sonat in collaboration with the subject consultants Henning and Herman Friis.For the best possible user experience, mobiles / tablets should at least run Android 8.1 or iOS 12 / iPhone 6s or later.