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2. Pehnt, M., Stede, J., and Schütze, F. (2023, September 10). Climate Protection in the Building Sector: Explanations for Stagnating CO2 Emissions Despite Successful Renovation Measures: Short Study Commissioned by Agora Energiewende. (In German).
3. Grinewitschus, V., Jurkschat, S., Lepper, K., Beblek, A., and Fransen, K. (2023, March 05). BaltBest: Influence of Operational Management on the Efficiency of Old Heating Systems in Existing Buildings. (In German).
4. Tochtrop, C. (2023, September 25). VISE-I: Smart User Interfaces. Smart Energy Virtual Institute (VISE)—Intelligent User Interfaces for Users in Energy-Efficient Households. (In German).
5. Gusek, A., and Bär, Y. (2016). ALFA®-Alliance for Plant Energy Efficiency: Economical—Socially Compatible—Ecologically Efficient, ALFA. (In German).