Views: 0 Author: Site Editor Publish Time: 2026-05-19 Origin: Site

As we step into the “Fourth Generation of Housing,” people’s expectations for a “good home” have evolved beyond basic shelter toward a holistic pursuit of safety, comfort, green living, and smart technology. Higher floor heights, better sound insulation, and sky gardens outline the contours of future living-every detail matters in meeting these standards.
3H Building Hardware’s Electric Concealed Top-Hung / Casement Window responds to high standards with “invisible” intelligence. The motor system is hidden inside the window frame, seamlessly fulfilling the core values of Fourth Generation housing standards with every open and close.


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Take a “well-known residential project by a leading developer” as an example. This project adopted 3H Building Hardware’s Electric Concealed Casement Window. It not only resolved users’ demanding expectations for both aesthetics and functionality, but through cutting-edge smart integration, systematically enhanced the project in multiple dimensions: architectural aesthetics, smart experience, safety performance, and long-term value. The result was a comprehensive upgrade in product strength, brand power, and customer satisfaction.
3H Building Hardware’s Electric Concealed Casement / Top-Hung Window achieves complete concealment of the motor system. All units use a 24V DC safe voltage motor, ensuring silent operation, stable performance, and safe use. While enabling smart opening/closing, it preserves the window’s original air tightness, water tightness, wind load resistance, and thermal insulation – meeting the core living environment requirements of modern “good homes.”
Key Features – Convenient & Reliable
Manual & Electric Dual Mode
In case of sudden power outage, the window can still be operated manually – ensuring fail-safe performance.
Fully Waterproof Motor Design
Adapts to complex environments, maintenance-free for long periods.
Smart Cloud Service System
Supports remote APP control, automatic closing with rain/wind sensors, and voice control – connecting to your whole-home smart system.


Compatible Window Types & Technical Specifications
Electric Concealed Casement Window
Available as outward-opening or inward-opening casement.
Max load capacity: 90kg. Max opening angle: 90°.
Opening sash size range (width ≤ 750mm, height ≤ 2000mm)
Electric Concealed Top-Hung Window
Max load capacity: 90kg. Max opening angle: 90°.
Opening sash size range (width ≤ 2000mm, height ≤ 2000mm)
A window is not just a link between indoor and outdoor life – it is a subtle measure of the quality of a “good home.” 3H Building Hardware’s Electric Concealed Top-Hung / Casement Window chooses silent technology to guard the tranquility and safety of your home, allowing the vitality of architecture to flow naturally with every intelligent open and close. Technology hidden from sight – life returned to the heart.
