Expanding the certification of zero-energy buildings, introducing high-temperature window products such as KCC glasses
Aug 25, 2025
Since June, the obligation to certify Zero Energy Building (ZEB) has been extended to private buildings with a total floor area of 1,000㎡ or more and to apartment houses with more than 30 households, raising interest in high-temperature windows.
The industry predicts that the size of the domestic high-temperature window market, which is estimated to be worth 2 trillion won per year, will grow by more than 20% every year in the future due to the expansion of certification of zero-energy buildings.
Choi Hyung-gon, vice president of the Korea Association of Interior Architects (KOSID) "Design Institute Hearts" Chang-ho is a key material that can affect about 40% of the energy use of buildings, and the application of high-temperature windows is essential to achieve zero energy."
In line with this trend, the window industry is also competing to dominate the market by releasing a series of new products with enhanced insulation performance.
KCC Glass's interior brand 'HomCC' recently introduced a new premium high-temperature window 'HomCC Window ONE Villages'. This product is characterized by the application of a double-loy glass 'VILAZ' developed by KCC Glass for residential use. Double-rooy glass, which has two silver (Ag) coating films on the glass surface, is a single layer with a general glass or coating film, and has a much better insulation effect than glass.
The structural design was also differentiated. Instead of a typical single chamber, a double-sided dual chamber structure was applied to the window to effectively block the inflow of outside cold air and heat, and double mohair was introduced in the window frame along with sufficient compartment to further enhance airtightness.
In particular, HomeCC Window ONE Villages is provided in the form of 'Completion Window' that KCC Glass directly manages from processing to assembly. Through this, KCC Glass explained that it has increased consumer confidence by minimizing quality deviation and providing a 13-year quality guarantee, the longest in the industry.
The industry predicts that the size of the domestic high-temperature window market, which is estimated to be worth 2 trillion won per year, will grow by more than 20% every year in the future due to the expansion of certification of zero-energy buildings.
Choi Hyung-gon, vice president of the Korea Association of Interior Architects (KOSID) "Design Institute Hearts" Chang-ho is a key material that can affect about 40% of the energy use of buildings, and the application of high-temperature windows is essential to achieve zero energy."
In line with this trend, the window industry is also competing to dominate the market by releasing a series of new products with enhanced insulation performance.
KCC Glass's interior brand 'HomCC' recently introduced a new premium high-temperature window 'HomCC Window ONE Villages'. This product is characterized by the application of a double-loy glass 'VILAZ' developed by KCC Glass for residential use. Double-rooy glass, which has two silver (Ag) coating films on the glass surface, is a single layer with a general glass or coating film, and has a much better insulation effect than glass.
The structural design was also differentiated. Instead of a typical single chamber, a double-sided dual chamber structure was applied to the window to effectively block the inflow of outside cold air and heat, and double mohair was introduced in the window frame along with sufficient compartment to further enhance airtightness.
In particular, HomeCC Window ONE Villages is provided in the form of 'Completion Window' that KCC Glass directly manages from processing to assembly. Through this, KCC Glass explained that it has increased consumer confidence by minimizing quality deviation and providing a 13-year quality guarantee, the longest in the industry.
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This article was translated by Naver AI translator.
