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            Leading home in the world - passive house

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            There is no need for heating in winter and no air conditioning to cool in summer. The room temperature is kept at around 20 degrees for people to live in. The roof solar panels basically meet the needs of daily life, and the indoor air is fresh. This is the ideal house that represents the world's highest level of passive housing. .
             
            Passive houses are so amazing, how did he do it?
             
            Passive houses are designed by the designer to fully understand the geographical environment, climate, temperature and other factors of the building project. Through comprehensive consideration, adopt reasonable housing layout, reasonable window size, and select appropriate building materials to fully Based on natural conditions, we can obtain a comfortable living environment for human beings, minimize the energy consumption of building units, and improve our quality of life.

            德苏曼,家具

            First, the technical system of passive houses
             
            The temperature most suitable for human life is around 20 °C, but the world we live in has winter cold and summer heat. In order to improve our living conditions, scientists continue to research and use the latest scientific research results in the construction industry. The most comfortable and insulated passive house.
             
            1. New wall with super insulation
             
            The walls of our traditional houses are mainly composed of red bricks. The red bricks have good thermal conductivity. Even in the middle of the night, the brick walls continue to radiate the heat stored during the day, so that the summer houses are very stuffy. In the winter, the heat in the house is constantly losing out. If you don't make a fire, it is like living in a hail.
             
            Passive houses use new materials to completely change this thermal bridge effect, blocking heat transfer inside and outside the house, and achieving high insulation inside the house. One of the disadvantages of such a wall is that the wall is thicker than the traditional house wall by more than 200 mm. As shown below:

            德苏曼,家具

            2. New doors and windows with super insulation
             
            In addition to the wall and roofing system, the door and window system also needs to improve the insulation performance. There are two main methods: the door and window frame adopts the thermal breaking bridge technology, and the second is the vacuum glass and the glass containing the inert gas. Very good heat insulation and sound insulation. The door is also specially designed, and even the joints of the door and window and the wall are treated with special materials to ensure a constant temperature inside the house.

             

            3. High air tightness and fresh air system (ERV: energy recovery ventilation system)
             
            Another feature of passive houses is their high air tightness, as the circulating air also causes changes in the indoor temperature. But we have to keep the air in the room fresh, what should we do?
             
            This is the ERV - energy recovery ventilation system, the specific technology is very complicated, simply by means of a certain heat exchange means, let the outdoor fresh air into the room with the same temperature as the room.

            德苏曼,家具

            Second, the high comfort of passive houses
             
            It is precisely because of the high heat insulation, high air tightness and ventilation system with heat exchange system, the passive house has the constant temperature effect of four seasons without heating or cooling, and it is truly the most livable and comfortable house.
             
            Third, the relationship between passive houses and light steel villas
             
            The passive house is actually the “enhanced and improved version” of the light steel villa, which means that the insulation and airtightness of the light steel villa system is improved, the wall and roof insulation layer are thickened, and the high insulation is arranged. The glazing and the fresh air system (ERV) allow the room temperature to fluctuate without changing seasons.

            德苏曼,家具

            Fourth, the cost of passive houses
             
            Passive houses have been specially treated in various aspects such as doors and windows, walls, roofs and foundations, plus auxiliary facilities such as ventilation facilities and solar panels. Therefore, the cost is relatively high, about 4,000 yuan/m2.
             
             
             
            Although the unit price of passive houses is higher, it is worth building from the perspective of long-term power saving and comfort. Just like the ad said: "One investment, a lifetime benefit."
             
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