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

PVC sliding windows combine style, strength, and customization. The slim-profile design allows more natural light and smooth horizontal operation, ideal for modern homes and apartments. Each window is constructed with steel-reinforced uPVC and multi-chamber frames, offering excellent thermal performance and sound insulation. Options include single or double sliding sashes, Low-E glass, insect screens, and stylish hardware. Available in classic white, sleek grey, black, or woodgrain finishes, these windows can be tailored to suit various architectural styles. Easy to operate and clean, KDSBuilding’s PVC sliding windows are a smart, energy-efficient choice for contemporary living spaces. series: 60 series PVC opening style: Top sliding and bottom fixed Color: white 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 combine traditional aesthetics with modern performance. Featuring two operable sashes that slide vertically, these windows provide flexible ventilation from the top, bottom, or both. Built from reinforced uPVC, they offer excellent energy efficiency, sound insulation, and weather resistance. Both sashes can tilt inward for easy cleaning and maintenance. With options for double or triple glazing, Low-E glass, and various color finishes, these windows are ideal for residential and light commercial applications. Their classic appearance, smooth operation, and low maintenance make them a practical and stylish choice for any building design. 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

When you purchase upvc profile double hung  window 006, you purchase directly from the factory. PVC double hung windows feature two operable sashes that slide vertically, allowing flexible ventilation from the top or bottom. Compared with sliding or fixed windows, they provide better airflow control and easier cleaning, as both sashes tilt inward. PVC material offers excellent thermal insulation, long-term durability, and resistance to moisture, corrosion, and UV exposure, making maintenance minimal and ensuring stable performance in various climates. series: 82 series PVC Color: white 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

KDS supply casement window 3.

KDS supply casement window 2.

KDS supply casement window.

Aluminum sash window for American houses is also called double hung window. An aluminum double hung window allows controlled airflow by opening either the top or bottom sash. Its robust aluminum construction withstands harsh weather conditions and daily use, ensuring reliable performance and a long service life in various climates. 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