Shandong Duoping New Materials Co., Ltd. is a professional R&D, production and supplier of high-end energy-saving windows. With years of deep cultivation in the door and window building materials sector, relying on core technologies of insulating glass and thermal insulation sealing, we create energy-saving window products featuring high-efficiency thermal insulation, low energy consumption, environmental protection and durability. Widely adaptable to diverse scenarios such as home decoration, office buildings, hotels, etc., our products are sold nationwide and overseas. We sincerely look forward to cooperating with you and becoming your trusted partner for energy-saving doors and windows in China.
|
Parameter Category |
Specific Indicator |
Reference Value |
Testing Standard |
|
Frame Material |
Aluminum alloy material & specification |
6063-T5 aluminum alloy (1.4-2.0mm thick) |
GB/T 5237 |
|
Glass Configuration |
Energy-saving insulating glass parameters |
Low-E insulated tempered glass 5+20A+5mm (argon-filled) |
GB 15763.2, GB/T 2680 |
|
Core Performance |
Heat transfer coefficient (U-value) / Shading coefficient |
≤1.8 W/(㎡·K) / 0.4-0.6 adjustable |
GB/T 8484, GB/T 2680 |
|
Structural Performance |
Sealing grade / Service life |
IP54 waterproof / ≥20 years service life |
QB/T 3893, GB/T 5271 |
The core advantage of energy-saving windows lies in their high-efficiency thermal insulation performance. Adopting Low-E insulated tempered glass combined with argon filling technology, they can effectively block ultraviolet and infrared rays, reducing heat ingress in summer and retaining indoor warmth in winter, thus lowering air conditioning and heating energy consumption. Compared with ordinary doors and windows, the energy-saving rate reaches over 40%. The frame is precision-processed and equipped with multi-layer sealing strips, ensuring both airtightness and watertightness, as well as sound insulation effect.
Special quality control for energy-saving doors and windows is implemented throughout the production process. Aluminum alloy profiles are processed by high-precision CNC cutting and corner assembling, with errors controlled within ±0.2mm to ensure tight and seamless splicing. Low-E coated tempered glass is selected, featuring uniform and stable coating with UV blocking rate over 90%. The insulating cavity is filled with high-purity argon gas to enhance thermal insulation performance. Weather-resistant EPDM material is used for sealing strips, which are not easy to age or fall off.
A multi-layer sealing structure design is adopted, with sealing grooves set at the connection between frame and sash, and sealing strips installed in an embedded manner to enhance airtightness and watertightness. 304 stainless steel hardware accessories are selected, featuring strong load-bearing capacity, wear and corrosion resistance, and smooth opening without jamming. Meanwhile, a hidden drainage hole design is equipped to avoid rainwater backflow, balancing energy saving and durability.
With wide applicability, they are especially suitable for residential homes, high-end office buildings, hotels, apartments and other spaces in cold northern regions and hot southern regions. They not only meet the energy-saving requirements of green buildings but also create a constant-temperature and comfortable indoor environment, making them the preferred door and window product for pursuing low-energy-consumption, high-quality living and office spaces.
· High-efficiency energy saving : Low-E insulating glass + argon filling technology, U-value as low as 1.8, greatly reducing energy consumption and complying with green building standards.
· Thermal insulation & sun protection : Effectively blocks infrared and ultraviolet rays, cooling in summer and keeping warm in winter, while protecting furniture from fading.
· Excellent sealing : Multi-layer EPDM sealing strips, IP54 waterproof grade, strong airtightness, balancing sound insulation and thermal insulation effects.
· Sturdy and durable : 6063-T5 aluminum alloy frame matched with tempered glass, impact and corrosion resistant, service life over 20 years.
· Environmental protection & health : No formaldehyde emission, Low-E glass blocks ultraviolet rays, creating a healthy and comfortable indoor environment.
The overall structure adopts "aluminum alloy frame + Low-E insulated tempered glass". The frame features a thermal insulation cavity design to reduce heat conduction. Glass occupies the main area of the window sash, with the Low-E coating facing the insulating cavity to avoid abrasion. The argon-filled insulating cavity enhances thermal insulation performance and glass stability. The connection between frame and sash adopts a multi-layer sealing structure matched with a hidden drainage system, balancing energy saving, waterproofing and aesthetics.
In design, it supports two opening methods: casement window and sliding window. Single-silver or double-silver Low-E glass is optional, with shading coefficient customizable as needed. Frame color supports powder coating and anodizing processes, adapting to various decoration styles. Hardware accessories can be selected from ordinary or intelligent types to meet different usage needs. The overall style is simple and grand, balancing practicality and energy saving.
Energy-saving windows differ significantly from ordinary aluminum alloy windows and plastic-steel windows in energy efficiency and comfort, as detailed below:
|
Comparison Item |
Energy-saving Windows |
Ordinary Aluminum Alloy Window |
Plastic-steel Window |
|
Energy-saving Performance |
Excellent, energy-saving rate over 40%, U≤1.8 |
Poor, energy-saving rate about 10%, U≥3.0 |
Good, energy-saving rate about 25%, U≈2.5 |
|
UV Blocking |
Excellent, blocking rate ≥90% |
Poor, blocking rate ≤30% |
Good, blocking rate ≈60% |
|
Service Life |
≥20 years, sealing strips with strong weather resistance |
10-15 years, seals prone to aging |
15-20 years, frame prone to deformation |
1. After installation, check the sealing fit between frame and sash, hardware firmness and drainage hole patency. Clean the sealing strips regularly (every six months) to avoid debris accumulation affecting sealing performance.
2. When cleaning glass daily, avoid scratching the Low-E coating with sharp objects. It is recommended to wipe with a soft cloth and neutral detergent.
3. Avoid strong impact on the frame and glass to prevent glass breakage and frame deformation, which may affect energy-saving and sealing effects.
4. Regularly check the sealing strips. If aging, cracking or falling off occurs, replace them in time to ensure thermal insulation performance.
5. In winter, avoid excessive indoor-outdoor temperature difference causing glass fogging. Maintain proper indoor ventilation to extend the service life of doors and windows.
Q: Is the Low-E coating of energy-saving windows easy to peel off?
A: Not easy to peel off. The Low-E coating is applied by vacuum magnetron sputtering process on the inner surface of the glass, avoiding external friction and wear. It will not peel off for many years under normal use, with strong weather resistance and no impact on thermal insulation effect.
Q: Can energy-saving windows achieve both sound insulation effect?
A: Yes. The multi-layer sealing structure matched with insulating glass not only provides thermal insulation but also effectively blocks noise, with sound insulation over 35dB, reducing interference from outdoor traffic and crowd noise.
The company provides one-stop energy-saving window customization and procurement services, supporting full-dimensional customization of opening methods, sizes, glass types (single-silver/double-silver Low-E), frame colors and hardware accessories. Combined with scenario needs and energy-saving standards, we provide exclusive design schemes, as well as free on-site measurement, effect preview and technical disclosure services.
Bulk procurement enjoys exclusive discounts, and logistics adopts customized shock-proof packaging with nationwide door-to-door delivery. After-sales service includes a 2-year warranty. During the warranty period, non-human damage can be repaired or replaced with accessories free of charge. Lifetime technical consultation and parts supply services are provided.
