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Home knowledge: how to keep warm in winter and winter windows
In the cold seasons of autumn and winter, poorly sealed rooms—especially in older homes—can feel extremely chilly. Drafts from windows often bring in not only cold air but also dust, making the indoor environment uncomfortable. The role of doors and windows as a barrier against wind and dust is crucial for maintaining a warm and clean living space. Fortunately, there are cost-effective solutions to improve insulation without major renovations.
**Warmth Solutions**
**Seal the Windows to Prevent Air Leaks**
During the windy months in Beijing, you might feel a cool breeze near the window, yet not know where it's coming from. Usually, this happens in two common situations. First, the sealing strip between the glass and the frame may have aged over time, leading to dust accumulation and reduced effectiveness in blocking air and dust. Second, if the wall around the window is loose, gaps can form between the window frame and the wall, allowing cold air 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. Replacing the seal is simple—just use a screwdriver to remove the old one and insert the new rubber seal into the groove. For the second case, cleaning the gap between the frame and wall, then applying a 5-10 mm layer of glass sealant will help. If the problem is serious, it’s best to consult a professional to refill with foam for better stability.
**Budget:** Sealing strips cost less than 10 yuan per meter, while sealant costs around 20 yuan per tube.
**Note:** Not all seals need replacing. Only replace them if they are damaged or not functioning properly. For more severe gaps, professional repair is recommended.
**Upgrade Your Windows or Add an Extra Layer**
Old houses often have single-pane windows that don’t offer good insulation or soundproofing. To enhance thermal efficiency, consider adding another layer of glass. However, simply adding glass to the existing frame can cause issues like increased weight and difficulty in opening the window. Therefore, it's usually better to replace the entire window or add an extra set of windows.
**Solution:** Window replacement involves on-site measurements and custom manufacturing. During installation, the old window is removed, and the new double-layer window is installed. This process typically takes 7–10 days. If the window opens outward, you can add an internal window; if it opens inward, a sliding window can be added externally. Double-glazed windows made of plastic or aluminum provide excellent insulation.
**Budget:** Plastic steel windows cost about 300 yuan per square meter, while broken bridge aluminum ranges from 500 to 800 yuan per square meter.
**Tip:** After installation, check the glass thickness, safety certification (like 3C mark), and test the window’s operation. Ensure the sash moves smoothly and the window closes tightly.
**Use Thick, Heavy Curtains**
Thick curtains aren’t just for light control—they can also block drafts and add warmth. Choosing the right fabric, size, and color is important. They should fit well, complement your room’s decor, and enhance the overall comfort.
**Solution:** In winter, opt for heavy materials like cotton or flannel. South-facing windows can have lighter options, while north-facing ones benefit from darker, warmer tones. These materials not only insulate but also reduce noise and dust.
**Budget:** Curtain prices vary widely, from hundreds to thousands of yuan per square meter.
**Tip:** To further boost warmth, consider updating other soft furnishings like cushions, lamps, and rugs that match the curtain style and use warm lighting to create a cozy atmosphere.
**Additional Tips**
**Avoid Sliding Windows for Better Insulation**
While sliding windows are convenient and take up less space, they tend to leave small gaps when closed, reducing their ability to keep out cold air and rain. For better thermal performance, it's better to choose a standard hinged window.
**Plan Installation Time Wisely**
Window replacements require factory production after measurement. If installed during windy weather, the process becomes harder, and for high-rise buildings, it can be riskier. It’s best to schedule the work early to avoid delays.
**Don’t Overinvest in Screens**
When replacing windows, screen windows are often replaced too. However, these are the most worn parts due to frequent use. Instead of buying high-end screens, go for a basic model that can be replaced every couple of years.
**Choose Warm Door Materials**
Old security doors were often thin and lacked proper insulation. Some people add wooden doors inside, but this still doesn't solve the issue completely. If budget allows, opt for a high-quality security door with good insulation properties and a modern design.