China Low Energy Consumption Energy-saving Windows Manufacturer, Supplier, Factory

Engineered for outstanding thermal efficiency, our low energy consumption energy-saving windows minimize heat transfer throughout the year, making them an essential upgrade for properties aiming to reduce environmental impact and lower energy bills. The product line incorporates advanced glazing and frame technologies suited for diverse applications, from Energy Efficient Windows for Home Use that excel in daily residential comfort to high-performance Low-E Coated Energy Saving Windows that selectively filter solar radiation. Our comprehensive portfolio also features dedicated Residential Energy-saving Windows built with rigid multi-chamber profiles and Commercial Energy Efficient Windows designed to satisfy demanding building regulations while delivering long-term operational savings. Each unit undergoes rigorous testing for air infiltration and water penetration, with components including argon-filled insulating glass, warm-edge spacer bars, and fusion-welded corners that eliminate cold spots and ensure decades of consistent service.


The series pushes the boundaries of low energy design by integrating triple-pane glass units, multiple low-emissivity coatings, and robust frame insulation that together achieve industry-leading thermal values. These windows are manufactured with precision-engineered uPVC or fiberglass profiles containing continuous steel or composite reinforcements, allowing them to withstand heavy wind loads while maintaining minimal air leakage. A proprietary gas blend combining argon and krypton fills the interpane cavities, boosting center-of-glass performance and drastically slowing conductive heat flow. The warm-edge spacer system, made of non-metallic composite materials, reduces edge condensation risk and contributes to a condensation resistance factor above 65 as measured by AAMA standards. Acoustic comfort is equally prioritized; the multi-layer construction provides sound reduction up to 40 decibels, effectively dampening traffic noise and other urban disturbances. Below we present the core technical specifications along with key product attributes that define the offering.

  • Triple-pane insulating glass unit with dual Low-E coatings for maximum thermal reflection
  • High-density argon/krypton gas infill to suppress convective and conductive heat transfer
  • Multi-chamber uPVC, fiberglass, or composite frame options with full steel reinforcement
  • Non-metallic warm-edge spacer technology to minimize perimeter heat loss and condensation
  • Tested air infiltration rates below 0.1 cfm/ft², significantly surpassing standard requirements
  • STC ratings from 34 to 40 depending on glazing configuration, ideal for busy streets and commercial zones
  • Low-maintenance exterior surfaces and weather-resistant gaskets that retain sealing integrity for decades
  • Available in fixed, casement, tilting, and sliding styles to match architectural needs
ParameterPerformance Range
U-factor (BTU/hr·ft²·°F) – whole window0.15 – 0.20
Solar Heat Gain Coefficient (SHGC)0.25 – 0.40
Visible Transmittance (VT)0.50 – 0.65
Air Leakage (cfm/ft²)≤ 0.1
Condensation Resistance Factor (CRF)65 – 72
Acoustic STC Rating34 – 40
Design Pressure (DP, psf)45 – 70
Energy Star VersionMost Efficient v7.0 certified
Glass Thickness Options3 mm, 5 mm, laminated safety glass on request
Warranty20 years on glass, 10 years on hardware

Installation of units follows detailed shop drawings and on-site measuring protocols, guaranteeing a seamless fit into both new construction and retrofit openings. The advanced low energy architecture routinely cuts heat loss through the glazed area by up to 50% compared to conventional dual-pane windows, translating to measurable reductions in heating and cooling loads for homeowners and facility managers alike. Because the system keeps interior glass surfaces warmer during cold seasons, draughts are virtually eliminated and living spaces remain comfortable right up to the window perimeter. In hotter months the coatings reflect a large portion of the sun’s near-infrared energy, helping to stabilize indoor temperatures without overworking air conditioning systems. The durable frame materials resist warping, corrosion, and UV degradation, enabling sustained performance even in coastal or high-humidity environments. All hardware components, from adjustable friction stays to multi-point locking mechanisms, are optimized for smooth operation and enhanced security, making a comprehensive solution for energy-conscious projects that demand uncompromising quality.

Hot Products

  • KFC Door

    KFC Door

    Shandong Duoping New Material Co., Ltd. is a professional R&D, production and supplier of high-end KFC doors. With years of deep cultivation in the door and window building materials industry, relying on core technologies of aluminum alloy precision processing and sealing craftsmanship, we create KFC door products featuring durability, permeability and anti-theft performance. Our products are widely applicable to shops, restaurants, convenience stores and other scenarios, and are sold nationwide and overseas. We sincerely look forward to working with you and becoming your reliable partner for door and window building materials in China.
  • System Windows

    System Windows

    Duoping is a professional manufacturer and supplier of high-end system windows, with advanced integrated system design and strict quality control. This product combines custom components for superior performance and durability, suitable for luxury buildings. We provide customized solutions, welcome wholesale orders, and deliver premium system window services for high-end construction projects.
  • Aluminum-Wood Sunroom

    Aluminum-Wood Sunroom

    Duoping is a professional manufacturer and supplier of Aluminum-Wood Sunroom, with advanced composite technology and strict quality control. It provides customized solutions featuring aluminum-wood fusion, long durability and excellent sealing, suitable for high-end residences. Wholesale orders are supported, with reliable after-sales service and a service life of over 25 years.
  • PVC Railings

    PVC Railings

    Duoping stands as a professional manufacturer and supplier of PVC railings, featuring advanced extrusion and co-extrusion technologies. These railings deliver excellent corrosion resistance, easy installation and low maintenance, ideal for residential, municipal and commercial protection projects. We support customized sizes and colors, welcome wholesale orders, and provide cost-effective railing solutions for large-scale construction procurement.
  • Art Glass

    Art Glass

    Duoping is a professional manufacturer and supplier of art glass, featuring advanced processing techniques and reliable quality control. This product integrates aesthetic design, privacy protection and safety performance, suitable for residential and commercial decoration scenarios. We support customized patterns and sizes, welcome wholesale orders, and provide high-quality art glass solutions for various personalized building projects.
  • Glass Door

    Glass Door

    Duoping is a professional supplier and manufacturer of glass doors, with advanced tempered glass processing and precision frame design technologies to ensure high quality. Its glass doors are safe, sturdy and versatile, with excellent light transmission, widely used in commercial, residential and office scenarios. The company offers customized solutions, wholesale services and strict quality control, with nationwide delivery and comprehensive after-sales support.

Send Inquiry

X
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies. Privacy Policy