High temperature warning: Passive doors and windows hide summer cooling secrets
With the arrival of high temperatures in summer, keeping indoors cool has become an important condition for creating a comfortable summer. As an important component of building facades, doors and windows have a direct impact on indoor temperature and comfort due to their thermal insulation performance.
Multi cavity structure
Generally speaking, the smaller the thermal conductivity, the slower the heat transfer rate of the material, and the greater the thermal resistance, which means that heat can pass through the material more slowly, making it easier to maintain temperature.
Gases have much lower thermal conductivity than solids and liquids. Based on this theory, Passive products fully adopt a multi cavity structure, which achieves better performance than single cavity and no cavity. The multi cavity structure greatly extends the path of heat transfer, thereby significantly reducing the efficiency of heat conduction.
Broken bridge aluminum structure
Aluminum alloy has a high thermal conductivity, and traditional aluminum alloy window frames are prone to forming a "thermal bridge" for heat conduction, leading to rapid loss of indoor heat to the outside.
Passive adopts a broken bridge structure, connecting the inner and outer layers of aluminum alloy profiles through insulation strips, effectively blocking the path of heat conduction through the aluminum alloy, greatly weakening the heat transfer at the window frame, forming an effective insulation barrier, and becoming an ideal choice for window frames.
High quality insulation strip
As an important component of doors and windows, the quality and performance of insulation strips play a crucial role in the insulation effect of doors and windows.
Passive's preferred multi chamber insulation strip has higher strength, better heat resistance and weather resistance, and can play a long-term role in long-term use. Some products can be equipped with higher quality PPO PA insulation strips, which have higher and more stable performance.
At the same time, the polyurethane foam whole cavity infusion technology can not only provide certain insulation and sound insulation, but also increase the shear force of the insulation strip and prevent water leakage from the insulation strip cavity.
High quality glass
For a comfortable summer, you can also put effort into the glass configuration.
Hollow glass is composed of two or more glass pieces separated by a spacer strip, with air or inert gas filled in between. This structure effectively reduces the thermal conductivity of the glass, reducing the conduction and radiation of heat through the glass.
Passive chooses and uses a mature and stable K ö dispace 4SG system. The 4SG flexible warm edge system is different from traditional aluminum spacers in that it has a sufficiently low thermal conductivity, which can significantly reduce the heat conduction at the glass edge, thereby reducing the heat loss at the glass edge. From the perspective of reducing the linear heat transfer coefficient between the window frame and the glass system joint, it can improve the overall K value of doors and windows by about 0.1.
Low-E glass is a film product composed of multiple layers of metal or other compounds, including silver, coated on the surface of glass.
Compared to ordinary glass, Low-E glass has a lower heat transfer coefficient K value and stronger resistance to temperature difference heat transfer. When far-infrared rays hit low radiation glass, most of them will be reflected back to their original space instead of being transmitted through the glass, effectively achieving cooling in summer and insulation in winter.
Multi channel sealing design
The sealing performance of doors and windows also has a significant impact on the insulation effect. Passive doors and windows adopt a multi pass sealing design, with multiple sealing strips installed in key areas such as between window frames and sashes, and between glass and window frames. The sealing strips are tightly adhered to form a tight sealing system, effectively preventing air infiltration and preventing heat invasion in all directions.
Passive uses branded sealing strips with good elasticity, weather resistance, and sealing performance. Its long-term compression deformation ability is several times that of rubber strips, reducing the closing force and increasing sealing performance.
Passive doors and windows, with advanced insulation technology and exquisite craftsmanship, create energy-saving and comfortable home environments for users, allowing you to fully enjoy the cool summer!