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Energy saving technology PK of aluminum doors and windows
Editor: liefan 12:00:00, January 12, 2020

In the hot summer of August, cooling in air-conditioned room has become the choice of most people, and natural household power consumption has become a problem that every family must consider. Then the energy saving of air conditioning successfully diverted most people's attention, and often ignored the energy consumption of doors and windows.

How much energy is consumed by doors and windows? "In fact, neither the government nor the public is very concerned about the energy consumption of doors and windows." Cai Jianfeng, the director of doors and windows in liefan, Germany, thinks that this is a common sense.

In the three major energy consumption of the whole society, more than 40% is building energy consumption, and the energy consumption of buildings through doors and windows accounts for nearly half. For a long time, due to cognitive problems, this important field of energy conservation has been marginalized. According to experts' estimation, if the energy-saving level of doors and windows in China's existing building area reaches the current European standard, 420 million tons of standard coal will be saved every year, which is equivalent to 20% of China's total annual coal production. It can be seen that the energy-saving consciousness of doors and windows in China is weak. But this kind of consciousness also makes the domestic door and window energy-saving technology far behind the foreign countries.

There is a huge difference in energy-saving technology of doors and windows at home and abroad

According to the survey, in developed countries in Europe and the United States, the proportion of high-end energy-saving doors and windows has reached 67% of the total number of doors and windows. By contrast, the popularization rate of energy-saving doors and windows in China is frighteningly low, accounting for less than 1%. Even compared with the common energy-saving doors and windows of developed countries in Shanghai with the highest technical standards, there is a gap of 15 years.

Because of this, international door and window brands such as liefan and Arak can quickly seize the market and attract a large number of consumers after landing in China. Local enterprises have no core advantage except for a few brands such as German liefan aluminum doors and windows, Huangpai and Xinbiao, which can compete with them. In the face of such a situation, how should local enterprises maintain their market share? In this regard, industry senior people believe that this is related to the relevant government review standards, and the solution is to standardize the industry technical standards.

The door and window market needs standardization industry standard urgently

However, since July 2010, the State Council has cancelled the approval project of production license for building external windows, and there is no relevant content of energy-saving doors and windows in the catalogue of national standards and specifications for building doors and windows, which has lowered the access threshold of energy-saving doors and windows, and directly led to the disorder of energy-saving doors and windows market.

Facing the problem of low standard market regulation, local well-known door and window brands are looking for their own advantage development route while avoiding this problem. Huangpai developed rapidly in the short term with its unique operation mode in marketing. Kenggu developed its brand by taking advantage of the strict standards of European doors and windows and focusing on the product itself. They all have their own core development advantages, but industry experts believe that in order to take the road of sustainable brand, they should also take products as the core.

Experts said that similar to kenggu doors and windows of this high standard of production in this industry is not enough, many small and medium-sized doors and windows enterprises may be due to lack of strength, the problem of low requirements hindered. In order to promote the development of energy-saving doors and windows market, it is suggested that small and medium-sized door and window enterprises should strive for self-improvement if they can not produce according to European high standards


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