User acceptance of cost-effective energy and carbon emissions optimization in building renovation.

To meet EU energy and climate targets, energy efficiency of the existing building stock must be drasticallyimproved. Within IEA ECB Annex 56 one of the best practice energy renovations is a group of multi-familybuildings in Sweden, recently thoroughly renovated. Residents' perception of renovations and appraisal ofimplemented measures were captured by interviews with tenants and a literature review. Residents'possible acceptance of energy renovations are related to improvements that are directly experienced andvisible. Resident participation is beneficial. Crucial is the collaboration between all stakeholders. Long-termenvironmental benefits or financial gains are arguments that might not be sufficient