The PVC Single Hung Window from Xiamen KDSBuilding combines traditional design with modern innovation to create a window that is both functional and visually appealing. Featuring a vertically sliding lower sash and a fixed upper sash, this design offers smooth operation, efficient ventilation, and enhanced energy performance. Constructed from high-quality PVC profiles, the window provides excellent resistance to corrosion, moisture, and UV radiation, making it durable and low-maintenance in any climate. The double-glazed glass and multi-chamber frame design deliver superior insulation, helping to reduce heat transfer and noise infiltration. Equipped with secure locking mechanisms and airtight sealing, it effectively prevents water and air leakage, ensuring lasting performance and safety. 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

This elegant PVC single hung window features a distinctive arched top design combined with a practical vertical sliding sash system, making it a perfect balance of architectural aesthetics and modern functionality. Manufactured using high-quality PVC profiles, it offers superior durability, weather resistance, and excellent thermal insulation performance. Unlike traditional wood windows, this PVC design is maintenance-free, resistant to moisture, corrosion, and warping—ensuring a long service life even in harsh climates. The upper arched fixed glass panel allows abundant natural light to enter while adding a stylish visual appeal, making it ideal for both residential and commercial applications. The lower operable sash ensures smooth vertical sliding with secure locking hardware, providing reliable ventilation and user convenience. The double-glazed glass option enhances energy efficiency by reducing heat transfer and noise, meeting high-performance building standards.  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

Aluminum single hung windows are a sleek and practical window solution known for their strength, durability, and modern appearance. In this design, the bottom sash slides vertically while the top sash remains fixed, offering controlled ventilation and a secure closure. The lightweight yet strong aluminum frame resists rust, corrosion, and warping, making it ideal for both residential and commercial buildings. With minimal maintenance and excellent thermal performance when paired with insulated glass, these windows offer long-term energy efficiency. Their clean lines and customizable finishes complement contemporary architectural styles, delivering both functionality and aesthetic appeal in a space-saving design series: 55 series thermal break opening style: Single Hung color : white Glass: 5mm+9A+5mm clear tempered glass Grille : yes Screen : yes Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

An aluminum double hung window offers classic functionality combined with modern material strength. The balanced sash system ensures easy opening and closing, while aluminum frames deliver long-term durability and low maintenance. This window type is ideal for projects requiring ventilation control and a timeless design. series: 83 series thermal break opening style: Double Hung and Inward Tilt Glass: 5mm+9A+5mm clear tempered glass Color: white Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

Designed for practicality and performance, aluminum double hung windows allow efficient airflow without protruding outward. The strong aluminum construction resists corrosion and deformation, making it suitable for various climates. With optional insulated glazing, these windows also contribute to improved thermal and acoustic performance. series: 83 series thermal break opening style: Double Hung and Inward Tilt Glass: 5mm+9A+5mm clear tempered glass Color: white Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

Aluminum double hung windows provide versatile ventilation and user-friendly operation through independently movable sashes. Their slim aluminum profiles maximize glass area for better daylight while maintaining structural stability. Widely used in apartments, offices, and hotels, they blend functionality with contemporary aesthetics. series: 83 series thermal break opening style: Double Hung and Inward Tilt Glass: 5mm+9A+5mm clear tempered glass Color: white Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

Aluminum double hung windows are designed with two vertically sliding sashes for flexible and convenient ventilation. The strong aluminum frame ensures long-lasting durability, resistance to corrosion, and stable performance, making them suitable for both residential and commercial applications. series: 83 series thermal break opening style: Double Hung and Inward Tilt Glass: 5mm+9A+5mm clear tempered glass Color: white Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

single hung window for house ,double glass  ,chinese quality harware. PVC sliding windows deliver a balance of efficiency, durability, and modern design. The sliding operation saves space, while the PVC structure improves thermal performance and noise control. Low maintenance requirements make them a cost-effective solution for large-scale projects. series: 60 series PVC opening style:  sliding  Color: white Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23 Visible Transmittance :  0.41 Air tightness :  0.15 Nail Fin Design  :  NO Window Screen :  With removable screen Grille design : Yes