China's first zero-carbon library completed

The former building of Yangzheng Library is an old building with a history of nearly 100 years. However, when the design was launched two years ago, there was no standard for zero-carbon building technology in China. After overcoming various difficulties, the SOHO team achieved energy self-sufficiency in the building through passive architectural design, active technical measures, and the use of renewable energy.


Design Concepts and Practice Methods
The library is an innovative practice and exploration. The experience of design concepts and practice methods will set a model for energy conservation and carbon reduction in domestic buildings, doors and windows are like the eyes of the building, giving it a high-end temperament and vivid inspiration. The architect designed a layered, staggered, square pane effect based on the thermal insulation performance and lighting requirements of the outer enclosure structure, wich is minimalism without losing vitality, showcasing a graceful, dignified and stable effect throughout the building.


Yangzheng Library not only has a magnificent exterior, but also an impressive energy-saving design of the building itself. In particular, the WG75 series aluminum alloy polyurethane composite doors and windows system, with a comprehensive heat transfer coefficient of less than 1.0, adopts 6Low-e+16Ar+6 Low-e+16Ar+6 (double silver high-transparent LOW-E), with a very low heat transfer coefficient, meanwhile also obtains a higher visible light transmittance for lighting, as well as suitable shading coefficient to effectively control the summer sun heat. The building itself also increases the full use of renewable energy, helping the building to achieve the goal of real zero carbon energy saving.


The design of the lighting atrium fills the interior of the building with light and makes it quite out of ordinary. Just as the designer said, it is like a spiritual display. The square sky above shows the changing scenery all the time of the year. The glass in the atrium adopts double silver low-e, thriple-glass with 15mm ultra-white substrate, and the comprehensive heat transfer coefficient of the glass curtain is lower than 1.0. Through passive architectural design, active technical measures, and the utilization of renewable energy, the comprehensive energy saving rate of the library building reaches 166%, which truly realizes energy self-dependence. Become the first zero-carbon library in China!

WinGreen is a brand that focuses on ultra-low energy and near zero energy door and window systems. It's PU insulation aluminum door and window systems as an innovative technological solutions, which is excellent at performance, design style, and reliable usage performance. It provides a highly cost-effective and technologically advantageous energy-saving design solution for building envelope structures in the ultra-low energy construction industry, creating value for the development of industry branches, and achieving the dual carbon goal.

The product has super insulation performance. The rigid foam polyurethane insulation material with full solid large broken bridge structure is used in the middle of the internal and external aluminum alloy profiles. The thermal conductivity is as low as 0.062W/m.k., the heat transfer coefficient of the profiles can reach 0.81W/m2.k, the heat transfer coefficient of the whole window is 0.88, the heat transfer coefficient of the whole door is 0.77, and the thickness of the profiles is only 75mm. It is a passive door and window product with simple structure and light weight. This door and window also has ultra-high strength and durability, with an extremely long service life.

WinGreen aluminum polyurethane composite door and window system has been focusing on ultra-low energy consumption and near-zero energy consumption buildings, which is certified by the German passive House Institute PHI passive door and window certification, China's Ministry of Housing and Housing passive profiles and doors and Windows certification, and China's green building materials product certification of a full range of doors and Windows product solutions. The complete certification system provides a more reliable guarantee for the product in the development of ultra-low energy consumption and near-zero energy consumption building doors and Windows market, and will also create greater value for the development of China's building energy conservation cause.