Comfortable Indoor Temperature Control Without Blinds
Priority Application to Shared Facilities...
Expansion as a Technology for Zero Energy Certification
HDC Hyundai Development Company announced on November 12 that it has jointly developed a system window with an integrated solar control film inside the window frame, and has received Green Technology Certification from the Korea Institute for Advancement of Technology.
Conceptual diagram of performance-variable window technology integrated with solar control film. Provided by HDC Hyundai Development Company
The performance-variable window technology with integrated solar control film, which received Green Technology Certification, is the result of joint research and development by HDC Hyundai Development Company, Hyundai Engineering, Eagon Windows & Doors, and DAEJIN. HDC Hyundai Development Company plans to first apply this technology to actual apartment complexes and asset management sites to verify its energy-saving effects and carbon reduction performance, and then expand its application as a core technology for Zero Energy Building (ZEB) certification in the future.
This technology allows for comfortable indoor temperature control without the need for separate blinds. The film is made of transparent PET (polyethylene terephthalate) material, allowing for exterior views from inside while blocking outside views to ensure privacy. Its thin profile also provides excellent installation and design efficiency.
The film features a double-layer structure of transparent PET sheets with a thickness of 20 to 50 micrometers. Between the PET layers, a metallic reflective layer that reflects solar energy and a nano-ceramic heat-blocking layer are applied to minimize energy loss. As a result of applying this technology, it achieved a Solar Heat Gain Coefficient (SHGC) of 0.11 and a U-value of 0.691W/㎡·K, which exceeds the Green Technology Certification standard of 0.9W/㎡·K.
Performance-variable window technology with integrated solar control film installation rendering. Provided by HDC Hyundai Development Company
Experimental results confirmed that the windows can save approximately 72.5kWh of energy and reduce 34.4kg of carbon dioxide emissions per square meter annually, demonstrating a substantial contribution to the realization of eco-friendly buildings.
HDC Hyundai Development Company plans to first apply this technology to shared facilities in apartment complexes, verify actual energy-saving data, and then expand its use as a technology for Zero Energy Building (ZEB) certification. The company will continue to strengthen the development of high-efficiency residential technologies by integrating eco-friendly building materials and smart equipment technologies, and will also expand ESG-based technology investments.
A representative from HDC Hyundai Development Company stated, "In line with the era of green architecture and zero energy, it is important to minimize energy consumption in buildings and create an efficient residential environment," adding, "We will continue to lead a sustainable residential paradigm by applying eco-friendly technologies throughout buildings."
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