The only whole-community passive house in Baoding city! A set of \”bulletproof\” armored \”passive doors\” costs up to 480,000

Hebei Youth News (reporter Zhang Yushuang trainee reporter Chu Mengyue) Recently, Baoding City released the 14th Five-Year Plan, which mentioned that Baoding will focus on the passive ultra-low energy consumption building industry and strive to createNational passive ultra-low energy building industry chain demonstration base.

The reporter learned that currently, Lanxi Jiuzhang, a community under construction in Lianchi District, is the only passive house in the entire community within the main urban area of ​​Baoding. As the official designated visiting project of the 23rd International Passive House Conference in 2019, it was guided by Professor Wolfgang First, the \”Father of Passive House\”.

According to reports, passive houses are environmentally friendly buildings that aim at \”energy saving + comfort + health\” and use architectural methods to enhance the comfort of the indoor environment.

According to the relevant person in charge of the Lanxi Jiuzhang project, compared with traditional residences, the project adopts Copper-wood composite armored passive door is not only anti-theft, fireproof, and bulletproof, but also has a noise and sound insulation level of up to 47,The standard entrance door for a house with an area of ​​more than 350 square meters is up to RMB 480,000.

Copper-wood composite armored passive door

In addition, it uses three-glass, two-cavity, double-silver Low-E The glass-aluminum-wood composite window has a solid wood window frame on the indoor side and a broken bridge aluminum profile on the outdoor side. The double hollow structure of the broken bridge and the thermal insulation of the wood increase the overall sound insulation and heat insulation performance of the window.

Not only that, Lanxi Jiuzhang adopts a high-efficiency heat recovery environment all-in-one machine, which combines ceiling and floor air supply, and continuously delivers fresh air to the room through PM2.5 filters. The temperature is intelligently controlled, and the air humidity in the whole house is balanced.Compared with traditional buildings, it saves about 90% of energy.In addition, there is no need for coal and gas heating in winter, and no air conditioning for cooling in summer, which saves about 80% of the cost compared to ordinary residences.

The indoor temperature is maintained at 20-26℃

According to the person in charge, the above are the core technologies of Lanxi Jiuzhangliuheng health technology system. The \”six constants\” refer to constant temperature, constant humidity, constant oxygen, constant cleanliness, constant stillness, and constant pressure. The indoor temperature can be maintained at 20-26°C all year round, with sufficient oxygen content. The indoor is clean and haze-free, quiet and comfortable.

According to the reporter\’s understanding, the clustered Mongolian oak planted in the community under construction is a national second-level precious tree species, and its price ranges from 100,000 to more than 200,000. In addition, the large-scale garden landscape planted Commonly used tree species include maple, saponin, and sophora japonica, with prices ranging from tens of thousands to hundreds of thousands of yuan.

Quercus mongolica, a national second-level precious tree species

In addition, according to the relevant person in charge, after the completion of the community, various precious tree species such as Japanese black pine and ash will be implanted, with prices ranging from hundreds of thousands to millions.