Energy Saving Method for Doors, Windows and Curtain Walls

【China Aluminum Network】 Aluminum alloy profiles in the window and curtain wall system not only play the role of supporting the keel, but also have a greater impact on energy efficiency. Under normal circumstances, the aluminum alloy section is much smaller than the area of ​​the glass. For this reason, the thermal conductivity has a greater impact on the energy saving effect. For this reason, a heat cut section is produced. According to the different methods of heat-dissipating aluminum profiles, it is divided into perfusion-type heat-insulating aluminum profiles and cutting-bar-type heat-insulating aluminum profiles. The common feature of these two types of aluminum alloy heat-insulating profiles is that the aluminum materials on the inner and outer sides are separated by a low thermal conductivity insulating material with sufficient strength. This reduces the heat transfer coefficient and increases the thermal resistance. Even in the hot summer season, when the sun is exposed, the surface temperature of the outdoor section of the hot-junction profile can usually reach 35 to 85°C, while the room can still be maintained at about 24 to 28°C, effectively reducing the heat transferred to the room. Reduce cooling costs; in the cold winter, the outdoor aluminum temperature can be equivalent to the ambient temperature (typically -28 ~ -20 °C) and the indoor aluminum can still reach 8 ~ 15 °C, thereby reducing heat loss, saving winter heating Costs to achieve energy savings.

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