Energy-efficient Windows
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  • Energy-efficient Windows Energy-efficient Windows

Energy-efficient Windows

Duoping is a leader in the research, development, and supply of high-performance energy-efficient windows. With years of experience in the window and building materials industry, we specialize in providing products that combine advanced insulated glass and thermal sealing technologies to ensure excellent insulation, low energy consumption, and durability. Our energy-efficient windows are designed for various applications, including residential homes, office buildings, hotels, and more. We have successfully established a market presence both domestically and internationally and look forward to becoming your trusted partner for high-quality energy-efficient windows in China.

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Product Description

Key Features and Applications

Our energy-efficient windows are built to provide top-tier insulation and temperature control. By integrating Low-E coated insulated tempered glass with argon gas filling, these windows prevent unwanted heat entry in the summer and retain indoor warmth during the winter, resulting in significant energy savings. Compared to ordinary windows, our products offer over 40% energy efficiency improvement.

These windows also feature robust sealing properties, with a multi-layer sealing system that ensures both air and water tightness, while maintaining noise reduction benefits. Our windows are ideal for homes, office spaces, and commercial buildings in regions with extreme temperatures. Whether you are in a hot southern climate or a cold northern zone, our energy-efficient windows help create a comfortable, climate-resilient interior environment.

Technical Specifications

Category

Specification

Value

Standard

Frame Material

Aluminum Alloy and Specifications

6063-T5 Aluminum Alloy (1.4-2.0mm thick)

GB/T 5237

Glass Configuration

Energy-Efficient Insulated Glass

Low-E Insulated Tempered Glass 5+20A+5mm (Argon Gas Filled)

GB 15763.2, GB/T 2680

Core Performance

Thermal Transmittance Coefficient (U-value) / Solar Heat Gain Coefficient

≤1.8 W/(㎡·K) / 0.4-0.6 Adjustable

GB/T 8484, GB/T 2680

Structural Performance

Sealing Level / Service Life

IP54 Waterproof / ≥20 Years

QB/T 3893, GB/T 5271

Product Advantages

Energy Efficiency: Featuring Low-E insulated glass with argon gas filling, these windows boast a U-value as low as 1.8, resulting in a significant reduction in energy costs.

UV & IR Protection: Effectively blocks harmful UV and infrared rays, keeping indoor temperatures stable in summer while preventing heat loss in winter.

Excellent Sealing: The multi-layer EPDM sealing strips create a strong barrier against air and water infiltration, ensuring a quiet and comfortable indoor space.

Durability: Made from high-quality 6063-T5 aluminum alloy and premium tempered glass, these windows are designed to withstand the test of time, with a service life of 20+ years.

Sustainability: Our energy-efficient windows are free from formaldehyde and other harmful chemicals, promoting healthier living environments.

Manufacturing Details

Our energy-efficient windows undergo stringent quality control throughout the production process. The aluminum alloy profiles are precisely cut and processed with advanced CNC technology to ensure perfect alignment and seamless connections, with an error margin of just ±0.2mm.

The Low-E coated glass has a consistent coating layer that blocks 90% of UV rays. The hollow space is filled with high-purity argon gas to enhance the thermal performance, and durable EPDM sealing strips ensure longevity and resilience. The frames are engineered with thermal insulation chambers to minimize heat loss, while the hardware components are made of corrosion-resistant stainless steel for smooth operation and longevity.

Comparison with Similar Products

Our energy-efficient windows offer superior energy performance and long-lasting durability compared to ordinary aluminum alloy and PVC windows. Here's how they compare:

Feature

Energy-Efficient Windows

Ordinary Aluminum Windows

PVC Windows

Energy Savings

40%+ energy savings, U-value ≤1.8

10% energy savings, U-value ≥3.0

25% energy savings, U-value ≈2.5

UV Protection

Blocks 90%+ of UV rays

Blocks 30% of UV rays

Blocks 60% of UV rays

Service Life

20+ years, durable sealing

10-15 years, seals prone to aging

15-20 years, frame may deform

Design and Structure

Our windows feature a durable aluminum alloy frame combined with Low-E coated insulated tempered glass. The frame is designed with thermal insulation chambers to further reduce heat transfer. The glass occupies the majority of the window's surface, with the Low-E coating positioned towards the inner side to prevent wear. Additionally, the gas-filled hollow space enhances insulation.

For optimal energy efficiency and water resistance, our windows use multi-layer sealing systems, including hidden drainage solutions to prevent water backflow. The design supports both casement and sliding opening options, with customizable glass choices such as single-silver or double-silver Low-E. The frame is available in a range of colors to match various design styles, and the hardware can be selected to meet specific functional and aesthetic preferences.

Maintenance & Usage Tips

Installation: After installation, ensure the frame-to-sash sealing, hardware stability, and drainage functionality are checked. Clean the sealing strips every six months to maintain optimal performance.

Cleaning: Avoid using sharp objects that could scratch the Low-E coating. Clean the glass using a soft cloth with a neutral cleaning solution.

Impact Protection: Avoid strong impacts on the frame and glass, as this may cause damage and reduce thermal efficiency.

Sealing Maintenance: Inspect the sealing strips periodically. If you notice any cracks, aging, or detachment, replace them promptly to ensure effective insulation.

Winter Use: Avoid large temperature differences between indoor and outdoor environments, as this may cause condensation on the glass. Ensure proper ventilation to prolong the lifespan of your windows.

Frequently Asked Questions (FAQs)

Q: Is the Low-E coating on the energy-efficient windows prone to peeling?

A: No, the Low-E coating is applied using a vacuum magnetron sputtering process, ensuring it adheres firmly to the glass and remains intact throughout its lifespan.


Q: Can energy-efficient windows also provide sound insulation?

A: Yes, the multi-layer sealing and insulated glass also contribute to noise reduction, providing sound insulation of 35dB or more. This helps minimize outdoor noise disturbances from traffic, construction, and more.

Procurement and Customization Services

We offer a comprehensive range of energy-efficient window solutions tailored to your specific needs. Our services include free on-site measurements, noise testing, and customized design consultation to meet your energy-saving and aesthetic requirements.

Enjoy exclusive discounts on bulk orders, and benefit from customized shockproof packaging and nationwide delivery. Our after-sales service includes a 2-year warranty, with free repairs or part replacements for non-human damage within the warranty period. We also provide lifetime technical support and part replenishment services.


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