This upgraded aluminum casement and fixed window series is suitable for all commercial and residential buildings. 55 series aluminum thermal break profile can provide excellent performance and good insulation. double tempered clear glazing design can lower the energy saving performance and can provide good sight view. casement opening can offer good ventilation and fixed part can provide us safety while their have children. series: 55 series thermal break glazing: 5mm+9A+5mm clear tempered U factor: lower than 0.3 SHGC: lower than 0.23

Aluminum  tilt and turn window offers two convenient opening modes tilting inward from the top for gentle ventilation or swinging fully inward like a casement for maximum airflow and easy cleaning. This dual-function design makes it one of the most versatile window systems for modern homes and commercial buildings. Built with durable aluminum  profiles and insulated glass units, the tilt and turn system provides excellent thermal performance, noise reduction, and security. Multi-point locking ensures strong sealing and stability, even in high-rise applications or harsh weather conditions. Ideal for bedrooms, living rooms, hotels, and offices, the window enhances comfort while maintaining a clean, contemporary appearance. series: 55 series thermal break opening style: lift and sliding Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

The awning and fixed window combination provides reliable ventilation and superior natural lighting in all weather conditions. The top-hinged awning sash opens outward from the bottom, allowing airflow even during light rain while preventing water intrusion. The accompanying fixed panel maximizes brightness and panoramic views, creating an elegant architectural feature. Made from durable aluminum frames and paired with insulated glass, this system offers strong thermal efficiency and excellent airtightness. Multi-point locks and EPDM seals ensure long-term resistance to wind pressure and moisture. This design is ideal for bedrooms, bathrooms, kitchens, and commercial projects.  series: 55 series thermal break opening style: lift and sliding Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

The fixed window is designed to bring maximum natural light outdoor views into any space. As a non-opening structure, it relies on a solid aluminum  frame combined with insulated double glazing to deliver outstanding thermal and sound performance. The slim frame design allows for a larger glass area for both residential and commercial buildings. With sealed construction and multi-layer weatherproofing, fixed windows provide exceptional resistance to water, wind, and air leakage. They can be produced in large custom sizes and ideal for stairwells, living rooms, lobbies, and high-rise facades. series: 55 series thermal break opening style: fixed(non-open) Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

The casement + fixed window combination offers the ideal balance between ventilation, natural light, and energy efficiency. The operable casement sash opens outward on precision hinges, providing excellent airflow and easy cleaning from inside the room. Meanwhile, the fixed panel maximizes unobstructed views while maintaining exceptional thermal insulation. Both sections are built with high-quality aluminum or PVC profiles, depending on project requirements, and paired with low-E double glazing to reduce heat loss and improve comfort. Multi-point locking ensures a tight seal against air and water infiltration, making this window highly suitable for energy-efficient buildings. The clean, modern frame lines make it compatible with various architectural styles—from contemporary homes to commercial spaces. KDSBuilding’s casement + fixed window is a versatile solution that enhances visual appeal while delivering long-term performance and durability.

The aluminum folding window is designed for homeowners and builders who require maximum ventilation and an unobstructed view. Each sash folds neatly to the side, allowing the entire window opening to be fully utilized—ideal for kitchens, bars, balconies, and commercial counters. Manufactured with durable aluminum profiles and fitted with stainless-steel folding hardware, the system offers smooth movement, long service life, and resistance to corrosion in coastal environments. Double glazing helps reduce heat transfer and noise, improving indoor comfort. series: 72 series thermal break opening style: folding Glass: 5mm+9A+5mm clear tempered glass Certification: NFRC, AAMA, CE, TITLE 24, AS2047 U-Factor  ≤ 0.3 SHGC ≤ 0.23

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.

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