Case Studies IC3 is working with its partners on the following projects: Digital Energy Estimation Tool.Read more about this case study here. Rinno: Improving the Energy Efficiency of Renovated Residential Buildings through new Technologies, Processes and Business Models Read more about RINNO here. Intelligent Hazard DetectionRead about this case study here. Using a Digital Twin to Improve Indoor Air QualityRead about this case study here. Northumbria University and PlaceChangers – A Case Study Demonstrator project with IC3Read more about this case study here.