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Glass doors and windows to be energy-saving, in addition to the structure, but also to look at the glass material
Release time:
2019-08-14
The larger the 1. form, the less energy-efficient it is. The large area of window heat dissipation is glass, not window frames. Glass accounts for 70% to 90% of the area of different types of windows. The window types commonly used in buildings are generally sliding windows, casement windows and fixed windows. The structure of the sliding window determines that it is not an ideal energy-saving window. Structurally, casement windows have obvious advantages over sliding windows.
The window frame of the fixed window is embedded in the wall, the glass is directly installed on the window frame, and the four sides contacting the glass and the window frame are sealed with sealant. Under normal circumstances, with good water tightness and air tightness, it is difficult for air to form convection through the sealant, so there is little convective heat loss.
2. high-tech glass brings energy-saving revolution. In addition to doors and windows, there is also the choice of glass. The indicators such as light transmission coefficient, direct solar transmittance, relative heat gain and heat transfer coefficient of glass materials have great influence on indoor thermal environment and energy consumption of heating and air conditioning. Therefore, when decorating and purchasing, we should know the material, performance and use of some energy-saving glass.
At present, several energy-saving glass materials are mainly coated glass, insulating glass and heat reflective glass with thin film. General building doors and windows account for more than 40% of building energy consumption, such as coated glass mainly solar heat reflective glass, low-emissivity glass and multi-functional coated glass.
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