Hopper Window
Say goodbye to the constraints of traditional opening and closing! The lifting window features vertical elevation opening with dual automatic and manual operation options. The sash fully retracts into the top window frame, truly achieving zero occupation of indoor and outdoor space.
With an extra-large opening area, it brings unobstructed panoramic views and excellent ventilation. It operates smoothly and stably, with superior sealing and heat insulation performance, ensuring safety and sturdiness.
Ideal for balcony enclosure windows, kitchen countertops, large landscape windows, and high-rise buildings, it maximizes space utilization, allowing you to enjoy ultimate transparency and freedom!
Product Data
| Frame Material | Aluminum Alloy |
|---|---|
| Aluminum Profile | 6063-T5 Profile 1.4mm-2.0mm |
| Project Solution Capability | total solution for projects, 3D model design, Cross Categories Consolidation, |
| Surface Treatment | Powder coating, Anodizing, Wood grain, PVDF coating |
| Color | Customized Colors |
| Glass | Single\double\tempering\coating\low-e |
| Feature | Soundproof, Waterproof, Heat Insulation, Folding Screen |
| Warranty | 5 years |
| Glass thickness | 5+9A/12A/16A+5mm |
| Open type | Vertical Opening |
| Size | Customized Size |
Product Features
Vertical Elevation with Zero Space Occupation
The sash opens vertically upward and retracts completely into the top of the window frame, thoroughly freeing up the space inside and outside the windowsill with no obstacles whatsoever.
Panoramic View with Unobstructed Vision
When opened, the sash moves completely out of the way, providing a maximized, unobstructed view along with excellent ventilation and lighting effects.
Smooth and Stable Operation
High-quality pulley sets and balance systems (such as counterweights/springs) are adopted, ensuring lightweight and labor-saving operation with smooth, silent elevation.
Intelligent Control
It supports rain sensing, voice control, infrared anti-pinch sensing, and other methods, featuring high-end intelligent automatic window opening and closing, with one-click switching between enclosed and open balconies.
Product Delivery Process
01
Accurate CAD Design
Customized according to drawings. Our professional team ensures a 1:1 restoration of your requirements for perfect size and style matching.
02
High-Standard Production
Manufactured with intelligent production processes that meet CE and ISO certifications for global compliance.
03
Strict Quality Control
Every unit undergoes rigorous testing, including over 100,000 durability cycles. Dual-layer safety assurance ensures stable and reliable operation.
04
Secure Transportation
Professionally packed with shockproof and damage-resistant materials. Full logistics tracking provided for peace of mind.
05
Experienced Installation Support
Standardized installation procedures ensure a tight fit, structural stability, and long-term durability.
Premium Hardware
Designed for a More Convenient and Comfortable Experience
01
Frame Profile
6063-T5 Aluminum Alloy
With a strength of up to 150MPa, 6063-T5 aluminum alloy excels in wind pressure resistance, earthquake resistance, and impact resistance. This high strength enhances the product’s safety and long-term reliability in use.
02
Glass Panel
Customization Options
Over 30 choices available
Based on your needs, we provide customized glass solutions that perfectly align with your requirements.
03
Silent and Smooth Elevation
Smooth Start and Stop
Verified through over 1,000,000 tests, the door operator achieves smooth starting and stopping, avoiding vibration and noise to ensure comfort and long-term stable use.
04
Intelligent Control
It supports functions such as rain sensing, voice control, and infrared anti-pinch sensing, featuring high-end intelligent automatic window opening and closing, with one-click switching between enclosed and open balconies.
05
Color
Customization Options
Offering over 200 spray-paint colors
Custom color options are available upon specific customer requests, ensuring doors and windows perfectly integrate with the overall architectural style and enhance the visual appeal of the space.
Project Case
Klein Lifting Window System has served over 10,000 benchmark projects nationwide.
Revolutionary Upgrade for Balconies:
→ The sash retracts vertically into the top frame, releasing 100% of space for an unobstructed panoramic view;
→ Equipped with anti-fall safety design, allowing the ventilation position to hover freely;
→ Easy cleaning on both inner and outer surfaces, eliminating high-altitude cleaning risks.
The ultra-slim frame enhances modern aesthetics, while superior sealing achieves 30% energy savings. It has passed high-rise building safety certification.
Klein’s Lifting Window Solution for a Jinan Villa Study
The vertical lifting design completely frees up windowsill space, enabling flexible planning of built-in bookcases and a sunlit reading nook. The panoramic unobstructed opening mode brings 270° mountain views indoors, allowing natural inspiration to resonate with the aroma of books.
This solution increases space utilization by 40% and boosts daylight intake by 65%, earning it the owner’s praise as the “warmest study.”
