AbstractObtaining sustainable renovation in large housing cooperatives is often a challenge. Two thirds majority vote at the general meeting is required. A lack of engagement may delay the process, and the residents often remain passive until they realize there is a risk of increased fees if the plans are carried out. Even if the investments are well grounded economically, the residents’ fear of economic consequences is often an obstacle during the process. The residents may get involved, but will oppose the renovation. The decision process is then often called off, and needs to start over. As postponing necessary renovations substantially increases the risk of building degradation, it is of importance to map factors that increase the chances of housing cooperatives coming to an agreement on sustainable and energy efficient renovations. Through action research, three pilot studies, looking at decision processes for sustainable upgrading are followed over a period of two years. Preliminary results show that openness in the initial stages of the process is crucial. Also, visualizing the results and consequences may be effective means to obtain a dialogue with the residents, who are often more interested in the aesthetic factors than the technical solutions. Visualization of AMS (Advanced Monitoring Systems) and other household specific measurements can make residents more aware of their energy use, and explain/illustrate the need for upgrading. If communicated (visualized feedback) to the residents in a comprehensive and user friendly way, the introduction of AMS may make people more aware of their energy use, hence facilitate the decision making process regarding sustainable renovation. After renovation, the indoor climate may be more easily influenced by the building use than previously. AMS can help maintain an environmental friendly life style.