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2. The service life must be long and easy to maintain.
3. The seal is better, and the window with good sealing performance, when it is hot in summer, the indoor air conditioner can keep the room temperature unchanged, thereby saving a large amount of electricity for the user. At the same time, the wind and sand in Beijing are relatively large. When the sand blows, there will be a lot of sand and dust in the room, and the well-sealed windows will never allow the sand to enter.
4. The flame retardancy of the windows must be good, especially for the high-rise houses, the flame-retardant doors and windows can make your family safer.
5. The soundproofing effect of the windows is also very important, especially the office houses and houses facing the street, and the very good windows allow you to always work and live in a quiet atmosphere.
Home improvement how to choose windows?
1. The material itself must be green and environmentally friendly. It should not be radiated. It is best to be UV resistant.