KDSbuilding`s UPVC double hung window produced with advanced technology, good quality material and good quality glass. Our products are customized, color, style and other. The fiberglass or stainless fiberglass screen are easy to install and clean. series: 82 series PVC opening style: Double Hung Glass: 3mm+12A+3mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.21 Visible Transmittance: 0.41 Air Leakage: 0.15

The PVC single hung window is a classic and energy-efficient design ideal for both residential and commercial buildings. It features a fixed upper sash and a vertically sliding lower sash, allowing smooth operation and ventilation. Made from durable PVC material, it offers excellent thermal insulation, weather resistance, and low maintenance. The window can be customized with double or triple glazing, Low-E glass, and insect screens. Its secure locking mechanism enhances safety, while the simple design suits a variety of architectural styles. Cost-effective and practical, the PVC single hung window is a smart choice for long-term performance and visual appeal. series: 82 series PVC opening style: Single Hung Glass: 3mm+12A+3mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.21

Hand crank awning windows are top-hinged windows that open outward from the bottom, operated smoothly with a manual crank handle. Made with durable and weather-resistant PVC frames, they offer excellent insulation, low maintenance, and resistance to rot or corrosion. This style allows for ventilation even during light rain, as the sash forms a protective cover when opened. Ideal for bathrooms, kitchens, or higher wall placements, PVC hand crank awning windows combine functionality with a sleek, modern look. They’re perfect for homeowners seeking enhanced airflow, energy efficiency, and long-lasting performance without compromising on convenience or aesthetic appeal. series: 82 series PVC opening style: awning Glass: 3mm low-e +12A+3mm+12A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

Sliding window trim enhances both the appearance and performance of a window by providing a clean, finished edge around the frame. It covers gaps between the window and wall, helping to seal out air, water, and pests. Interior trim, such as casing and sill, adds decorative detail and complements interior design, while exterior trim—like brickmould or PVC boards—offers weather resistance and protects against moisture damage. Available in wood, PVC, or composite materials, sliding window trim can be customized in various profiles and colors to suit different architectural styles. It completes the look while improving energy efficiency and durability of the window system. series: 75 series PVC opening style: sliding Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

PVC double hung windows offer a timeless aesthetic combined with advanced performance and functionality. Designed to suit both traditional and modern architecture, these windows feature two operable sashes that slide vertically, allowing for flexible ventilation from the top, bottom, or both. Engineered using premium uPVC profiles reinforced with galvanized steel, our double hung windows provide exceptional strength, durability, and resistance to warping, cracking, and corrosion. The multi-chambered frame enhances thermal insulation and energy efficiency, helping reduce heating and cooling costs in all climate zones. Each sash is equipped with counterbalance systems or spiral balances for smooth, quiet operation and ease of cleaning, as both sashes can tilt inward. Available with single, double, or triple glazing options, including Low-E and argon-filled IGUs, the window ensures superior sound insulation and comfort. Our PVC double hung windows come in a variety of colors and finishes, including white, grey, black, and realistic woodgrain laminates. Custom sizes and grille designs are also available to meet specific architectural preferences. Ideal for residential homes, townhouses, and renovation projects, KDSBuilding’s double hung windows deliver a perfect combination of energy efficiency, low maintenance, classic design, and long-lasting value across global markets. series: 82 series PVC Color : black opening style: Double Hung Glass: 3mm+12A+3mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.21 Visible Transmittance: 0.41 Air Leakage: 0.15

Our newly designed aluminum system window offers a perfect combination of modern aesthetics, structural strength, and advanced thermal performance. Engineered with a high-quality aluminum profile and precision thermal break technology, this window system delivers exceptional energy efficiency, noise reduction, and weather resistance—ideal for both residential and commercial applications. With slim sightlines, customizable finishes, and flexible opening styles such as casement, sliding, tilt-turn, and fixed configurations, it enhances natural light while maintaining security and insulation. Whether you're aiming for a contemporary façade or a minimalist interior look, this aluminum window system provides a durable, low-maintenance, and architecturally elegant solution that meets international performance standards.

Our newly designed aluminum system window offers a perfect combination of modern aesthetics, structural strength, and advanced thermal performance. Engineered with a high-quality aluminum profile and precision thermal break technology, this window system delivers exceptional energy efficiency, noise reduction, and weather resistance—ideal for both residential and commercial applications. With slim sightlines, customizable finishes, and flexible opening styles such as casement, sliding, tilt-turn, and fixed configurations, it enhances natural light while maintaining security and insulation. Whether you're aiming for a contemporary façade or a minimalist interior look, this aluminum window system provides a durable, low-maintenance, and architecturally elegant solution that meets international performance standards.

Aluminum awning windows are top-hinged and open outward, allowing effective ventilation even during rainy weather. The aluminum frame provides excellent strength, corrosion resistance, and long service life. With tight sealing and modern hardware, this window type delivers reliable weather protection, energy efficiency, and smooth operation for residential and commercial buildings. series: 55 series thermal break opening style: Awning Glass: 5mm+9A+5mm clear tempered glass Color: white Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23