In the hot sun, the temperature in the country began to increase gradually. Facing the head heat wave, the home sun room/plant/building/office constantly accelerated the operation of the air conditioner, and it was difficult to hide the heat. It made the home sultry and uncomfortable, and the office environment was uncomfortable. Affect work efficiency.
In order to solve the problem of sun and sun in the home sun room/factory/building/office area, we need to start from the window and keep the high temperature out of the window. Let's analyze the feasibility of the glass curtain wall sunscreen glass film. Compared with the thermal method (wall insulation, insulating glass), the glass film is not only easy to operate, but also does not affect the normal lighting of the house.
Cost feasibility
In general housing, the outer window area accounts for more than 20% of the surface area inside the building. There is a huge amount of energy-saving renovation project for building exterior windows. The replacement of single-frame double-glass plastic steel windows for single-frame three-glass plastic steel windows is huge, and the original cost is reduced. The cost of double-glass window recycling is 300-500 yuan per square meter of window; the original single-frame double-glass plastic steel window is modified by the internal laminated glass insulation film, and the cost per square meter is 100-400 yuan. , greatly reducing the cost of renovation.
Product availability
According to statistics, at least 5 billion square meters of building exterior windows in China need to be energy-saving retrofits. According to the calculation of 5 years of renovation, 1 billion square meters of building insulation film is needed every year. Building windows and doors account for more than 20% of the building area, while energy consumption through doors and windows accounts for about 50% of the entire building. The energy loss through the glass accounts for about 75% of the energy consumption of the door and window, and the energy consumption of the glass accounts for about 80% of the window area. There are only two options for energy-saving retrofits in existing buildings:
First, replacing the original glass with energy-saving glass, destroying the original glass itself is a waste of energy, and also increases the construction difficulty;
2. The second is to attach the original glass to the architectural glass insulation film for construction.
The 3M insulation film is not only suitable for use in new buildings, but also has a unique effect on retrofitting existing buildings. This glass film is easy to apply to existing glazing systems and does not require any additional equipment. If you want to transform a low-efficiency, unsafe, outdated old building window system, the film is a good choice for being cheap, time-saving, energy-saving and safe. It is not difficult to speculate that the renovation of old building doors and windows in China also provides a broad market for glass functional films.
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