# European residential energy efficiency window trends > Live situation record from CLSTR: https://clstr.news/situations/european-residential-energy-efficiency-window-trends > Updated: 2026-09-12T14:03:12.000Z. Sources: 5. Developments: 2. The European window and door market is increasingly shaped by energy efficiency standards and consumer demand for thermal insulation. In Spain, manufacturers emphasize that replacing old windows with high-performance PVC models is a significant method for improving residential energy efficiency, reducing climate control costs, and contributing to sector decarbonization. Public aid programs in various Spanish autonomous communities continue to support these building rehabilitations. Across Europe, market trends show a rise in plastic window sales, though wood remains common in Scandinavia. The European Directive on the Energy Performance of Buildings (EPBD) is driving the adoption of passive house standards to reduce primary energy demand. In Germany, consumer advisory services are providing guidance on the economic viability of double versus triple glazing and addressing misconceptions regarding insulation and mold growth. ## Timeline ### 2026-09-12: European window market trends and consumer guidance European window markets are shifting toward high-efficiency materials like plastic and triple glazing. In Germany, consumer centers are providing guidance on energy savings and mold prevention during window un- 2 sources. https://clstr.news/cluster/european-window-market-trends-and-consumer-guidance ### 2026-08-23: Deceuninck highlights benefits of high-performance windows for energy efficiency Deceuninck emphasizes that replacing old windows with high-performance models in Spain can reduce energy consumption, improve home comfort, and increase property value through available 2026 subsidies. 3 sources. https://clstr.news/cluster/deceuninck-highlights-benefits-of-high-performance-windows-for-energy-efficiency --- Cite as: European residential energy efficiency window trends. CLSTR, https://clstr.news/situations/european-residential-energy-efficiency-window-trends