The Aluminum Double Hung and Tilt Window from Xiamen KDSBuilding combines elegant design, smooth functionality, and outstanding thermal performance for modern residential and commercial projects. Manufactured with high-quality thermal break aluminum profiles and double-glazed insulated glass units, this window ensures excellent energy efficiency, sound insulation, and condensation resistance. The double-hung mechanism allows both the upper and lower sashes to slide vertically for flexible ventilation, while the tilt function provides easy inward tilting for convenient cleaning and secure airflow control. Its precision-engineered frame features advanced weather seals that enhance air and water tightness, ensuring long-term durability even in extreme climates. With powder-coated or anodized surface finishes available in a wide range of colors, it achieves both strength and style. Designed to meet international standards such as NFRC and CE, KDSBuilding’s aluminum double hung and tilt window is ideal for high-end apartments, villas, and public buildings that demand superior thermal insulation, low maintenance, and contemporary aesthetics. This window delivers a perfect blend of practicality and sophistication, offering homeowners lasting comfort and performance with modern architectural appeal.

Aluminum casement and fixed window with 55 series thermal break aluminum profile, good at ventilation and have nice view. with double glass options, it can reduce energy lose and keep the house cooler in summer and warmer in winter. And also good at sound proof, can reduce noise effectively, create and quit environment for you.

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.

An aluminum double-hung window features two sashes that slide vertically, allowing for easy ventilation from the top, bottom, or both. The aluminum frame is durable and resistant to rust, making it ideal for various weather conditions. Additionally, these windows are low-maintenance and offer a sleek, modern aesthetic. They often come with energy-efficient glass options and can be customized with different finishes to complement any architectural style.

1. High waterproof performance: Aluminum alloy casement window using high-quality sealing materials, so that it has a good waterproof effect, can effectively prevent rain infiltration. 2. Heat insulation and sound insulation: Aluminum casement window is composed of a variety of materials, which can isolate the temperature difference between indoor and outdoor, ensure that the indoor temperature is appropriate, and can also be soundproofed to reduce indoor noise. 3. Beautiful appearance: Aluminum alloy material can be designed into various shapes, very flexible, beautiful appearance, can increase the overall beauty of the building. 4. Low maintenance cost: Aluminum alloy casement window has high corrosion resistance, low maintenance cost and long life. 5. Safe and reliable: Aluminum alloy casement window adopts thicker tempered glass, which can resist impact and has high safety. 6.Parameter : U-Factor  ≤ 0.3 , SHGC ≤ 0.23 , Sound Insulation ≤ 36 db , Water Tightness ≥ 450 pa , Wind Resistance ≥ 4500 pa , Air Tightness ≤ 0.4 m3(㎡.h)

Aluminum alloy window is made of aluminum alloy building profiles frame, fan structure window, divided into ordinary aluminum alloy doors and Windows and broken bridge aluminum alloy doors and Windows. Aluminum alloy Windows have beautiful appearance, sealing, high strength, widely used in the field of construction engineering, in home decoration, commonly used aluminum alloy doors and Windows package balcony.