Res20 is a high-end residential building, it includes three types of apartments; two simplex and one duplex. The simplex are of different sizes, one larger for a family and the smaller for couples or singles. In Res20 there are all the latest generation technologies, such as a VMC system with air purification, home automation with the possibility of remotely controlling not only the internal temperature or the lights but also the latest generation IOT appliances. The residences are in nZEB energy class and passive class. Completely energy self-sufficient.