Home decoration can be a costly endeavor, and windows are often one of the biggest expenses. However, many consumers aren’t fully informed about window materials or their performance. As a result, some end up buying flashy but substandard products, especially when purchasing from less reputable sources. So, how do you choose the right window? Let’s take a closer look at what experts recommend.
**Author's Investigation**
**Issues with Street Shop Products**
In Beijing, the most common types of windows are made from plastic steel and aluminum alloy. These typically open in either a sliding or hinged manner. On average, plastic steel windows cost over 300 yuan, while aluminum alloy ones tend to be more expensive.
During my visit to several official building material markets, I noticed that the windows on display were well-made, with no visible scratches or cracks, and the hardware was sturdy. In contrast, the windows sold in small shops on the street looked rough and lacked proper quality certifications. Some even had a yellowish tint instead of the usual blue-white color of genuine plastic steel windows. Experts warn that this discoloration is a sign that manufacturers may have used cheaper additives, which significantly reduces the window’s strength and lifespan.
**Choosing Domestic Brands**
I observed that the price difference between domestic and imported brands of the same material could be several hundred yuan. A sales representative from an imported brand mentioned that their raw materials come from Germany, and even the hardware alone costs between 300 and 400 yuan. Many consumers I spoke with said they wouldn’t go for such expensive options. “The same material and style—domestic is cheaper and acceptable. Importing is just too pricey,†one customer told me. It seems that affordability plays a big role in consumer decisions.
**Expert Advice: Choose More Than Seven Floors**
Wang Wei, deputy secretary-general of the Beijing Construction Hardware Door and Window Industry Association, advised that the first step is to choose a reliable brand. Consumers should verify if the manufacturer has the necessary production licenses and check for the “QS†mark and environmental certification.
Before installation, it’s important to inspect the window frame for regularity, check the joints for firmness, ensure the glass is intact, and look for any obvious warping. The handle and metal parts should be secure, and the surface of the hardware should feel smooth. Also, make sure the double-glazed unit has a minimum gap of 8mm and that the drainage holes are not blocked. A strong chemical smell from the sealant strip could indicate poor quality.
After installation, check if the entire window is properly aligned, if the sash moves smoothly, and if the window is securely attached to the wall. Don’t forget to remove the protective film as soon as possible.
Wang also warned that households on floors above seven should avoid outward-opening windows to prevent them from being blown off by strong winds.
**Energy-Efficient Windows Are a Must**
When purchasing windows, Wang emphasized the importance of energy efficiency. Energy-saving windows help keep heat out during summer, reducing air conditioning costs, and retain warmth during winter, lowering heating expenses. According to experts, these windows can raise indoor temperatures by about 3°C during the heating season, offering greater comfort and long-term savings.
**Float Glass Offers Better Performance**
Consumers should also pay attention to the type of glass used. Most reputable manufacturers use float glass or low-emissivity coated glass. Float glass provides better insulation, light transmission, and clarity compared to flat glass. Low-emissivity glass offers superior thermal insulation, UV protection, and light control. When replacing outer windows, it’s best to opt for these high-quality options.
**Shopping Tips: Compare Prices Carefully**
While visiting different building material markets, I noticed that prices for the same brand varied widely. For example, a window brand might cost over 1,000 yuan in a high-end market, but only half that in a mid-to-low-end one. To avoid overspending, it’s wise to compare prices across different stores before making a purchase. Always shop at formal retailers and don’t hesitate to ask questions.
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