In the context of the global advocacy for green environmental protection and sustainable development, the door and window industry is undergoing profound changes. In 2025, the upgrading of energy efficiency standards has become a key driving force for the development of the industry, compelling door and window enterprises to accelerate their technological transformation to adapt to new market demands and policy requirements. This article will deeply analyze the impact of the upgrade of energy efficiency standards and explore the directions and strategies of technological transformation for door and window enterprises.