Digital twins have found increased interest in the recent years with articles being published at an increased rate in the years 2018-2020. with digital twins it is possible to achieve an efficient and responsive planning and control over of facility management. A digital twin by JTH has been implemented for some of the rooms in a corridor, a structured literature study is performed to bridge the knowledge gap, the aim is to review scientific literature regarding digital twins’ in facilities management and assess different concepts dig-ital twins in facility management. The method used is a mixed qualitative-quantitative systematic review that follows the Preferred Reporting Items for Systematic Reviews (PRISMA). The systematic review defines digital twins in facility management and identifies categories as well as digital twins applications in facility management and how digital twins can be used to evaluate building performance and room experience.