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Home knowledge: how to keep warm in winter and winter windows
In the cold seasons of autumn and winter, rooms with poorly sealed doors and windows can feel particularly chilly, especially in older homes. Drafts from cracked windows often bring in not just cold air but also dust. Ensuring that your doors and windows are properly sealed is essential for both wind and dust protection. There are cost-effective solutions available—such as replacing window seals or reapplying sealant, which can be more economical than completely replacing windows or security doors. Adding thick curtains can also help block out the harsh winds from outside.
**â– Warmth-Enhancing Measures**
**Seal the Windows to Prevent Air Leaks**
During autumn and winter, Beijing experiences strong winds. You might feel a cool breeze near the window without knowing where it's coming from. To identify the source, run your hand along the window frame. Two common issues are usually the cause: one is the aging of the rubber sealing strip between the glass and the frame, which may have accumulated dust over time and lost its effectiveness; the other is loose walls or gaps between the window frame and the wall, allowing wind to enter through cracks.
**Solution:** For the first issue, you can purchase new sealing strips from a hardware store and install them yourself or hire a professional. The process is simple—just remove the old strip using a screwdriver, insert the new one into the groove, and secure it. For the second issue, clean the joint between the frame and the wall, then apply a layer of glass sealant around the frame. The sealant should be about 5–10 mm wide for optimal performance.
**Budget:** Sealing strips cost less than ¥10 per meter, while sealant is around ¥20 per tube.
**Note:** Only replace the seals if they are damaged. If the window is still tight, there’s no need to change them. For more severe gaps, consider hiring a professional to refill the space with foam to ensure a better seal.
**Upgrade Your Windows or Add Layers**
Older homes often have single-pane windows, which offer poor insulation and soundproofing. To improve thermal efficiency, increasing the number of glass layers is a good option. However, adding glass to an existing frame may cause issues like weight imbalance or difficulty in opening the window. It's best to either replace the entire window or add an extra layer of glass.
**Solution:** Replacing the window involves on-site measurements and custom manufacturing. When installing, the old window is removed, and the new double-glazed unit is installed. This process typically takes 7–10 days, with measurements and removal completed in a day. If the window opens outward, an additional window can be added inside. For inward-opening windows, a sliding window can be added externally. Materials like PVC or broken bridge aluminum are ideal choices.
**Budget:** PVC windows cost about ¥300 per square meter, while broken bridge aluminum ranges from ¥500 to ¥800 per square meter.
**Tip:** After installation, carefully check the window for proper fit, safety certifications (like the 3C mark), and smooth operation. Ensure the sash moves freely and closes tightly.
**Use Thick Curtains for Extra Insulation**
Winter curtains serve more than just aesthetics—they help keep the room warm and reduce drafts. Choosing the right fabric, size, and color is important to match both the room’s decor and functional needs.
**Solution:** For south-facing windows, you have more flexibility in choosing fabrics. North-facing windows, however, tend to be colder and darker, so opt for deep, warm colors and materials like cotton or flannel. These fabrics provide insulation and also help with soundproofing and dust control.
**Budget:** Curtain prices vary widely, from a few hundred to thousands of yuan per square meter.
**Tip:** In addition to curtains, you can enhance warmth by updating other soft furnishings—like pillows, cushions, or lamps in similar colors or materials. Warm lighting can also make a big difference in creating a cozy atmosphere.
**â– Additional Tips**
**Avoid Sliding Windows for Better Insulation**
While sliding windows save space and are cheaper, they don’t seal as effectively. The two panels are on different horizontal levels, leaving a small gap when closed. This allows cold air and rain to seep in, reducing insulation effectiveness.
**Plan Installation Time Carefully**
Window replacement requires factory production after measurement. If done during windy weather, it can complicate the installation. High-rise installations also pose greater risks, so it's best to schedule the work early.
**Don’t Over-Invest in Window Screens**
When replacing windows, the screen is often replaced too. However, these screens are prone to wear and tear. It’s practical to buy a standard screen and replace it every year or two instead of investing in high-end options.
**Choose Warm Door Materials**
Old security doors were often thin and offered poor insulation. Some people add wooden doors inside, but this isn’t always sufficient. If budget allows, choose a high-quality security door with good insulation material for better warmth and appearance.