In the scorching summer days, keeping your living room cool becomes a top priority. One of the most effective solutions is using curtains strategically. As the sun is relentless, it's important to create a smart "curtain system" by placing the right types in the east, south, west, and north windows. This not only blocks harsh sunlight but also maintains a comfortable and well-lit space.
For the **east window**, where the morning sun comes in strong, vertical curtains are ideal. According to Zhou Weimin, these should be soft and light, allowing gentle illumination without excessive heat. A fabric with a smooth texture and light color can help you start your day with a peaceful, bright environment.

The **south window** receives the most sunlight throughout the year, making it essential to protect against intense heat and UV rays. Blackout blinds or solar shades are highly recommended. These not only soften the light and offer privacy but also help reduce glare and temperature. If using fabric curtains, pairing them with sheer or glass-like gauze can enhance both aesthetics and functionality. Dark violet-colored gauze is particularly effective for shading.
For the **west window**, which faces the afternoon sun, it’s crucial to block the heat. Venetian blinds, pleated shades, or wooden shutters are excellent options. They diffuse the light, prevent UV damage, and protect your furniture from fading. Special treated fabrics can also be used to add an extra layer of protection.
Lastly, the **north window** typically brings in even, soft light all day long. To make the most of this natural lighting, choose high-transparency curtains. Avoid heavy or dark materials that could dim the space. Fabric verticals, thin translucent organ curtains, or roller blinds are great choices. These allow maximum light while maintaining a clean and airy feel.
By selecting the right curtain type for each window, you can significantly improve comfort and energy efficiency in your home during the hot months.
Digital Viscometer
A digital viscometer is an instrument used to measure the viscosity of a fluid. It works by measuring the time taken for a fluid to flow through a small tube or capillary under the influence of gravity or a controlled force. The viscosity of the fluid is calculated based on the flow time and the properties of the tube or capillary. Digital viscometers are preferred over traditional viscometers because they provide more accurate and consistent results and are easier to use. They are commonly used in industries such as food, cosmetics, pharmaceuticals, and petroleum to ensure product quality and consistency.
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