Where science become a
window
A system window is not just aluminium and glass. It is science at work. Every profile is engineered to control heat. Every seal is designed to block noise. Every joint is tested against wind, water, and time.
Thermal insulation iscalculated.
Acoustic comfort ismeasured.
Structural strength isproven.
This is not decoration.
This is performance- designed, tested, perfected.
Because when science leads the design, comfort follows naturally.
That's what a true system window is.
The difference we make
We elevate spaces through superior aesthetics, energy efficiency, and security, while making our innovations accessible for projects of every scale. By combining quality craftsmanship with sustainable practices, we strive to exceed customer expectations in both our high-end minimal designs and economical solutions.
The world looks beautiful through aluminium system windows.
WE MAKE THOSE WINDOWS LOOK BEAUTIFUL.
GREFET delivers advanced Belgian technology for system aluminium windows, enabling manufacturers to create high-performance solutions. We specialize in innovative systems designed for modern architectural needs, combining precision engineering with reliability.
products
FAQs
Everything you need to know about aluminium windows and systems.
What are system aluminium windows?
System aluminium windows are precision-engineered window systems designed using advanced profiles, hardware, and sealing technology. In fact, system aluminium windows are much better than traditional doors and windows in terms of heat insulation, air tightness, water resistance and service life.
What are openable aluminium windows and their types?
Openable windows can provide better ventilation when you can open them inward, outward or tilt. Popular types include:
- Aluminium casement windows
- Tilt and turn aluminium windows
- Top-hung and side-hung windows
This type of aluminium window system is perfect for a house which needs energy efficiency, security and ventilation easily with minimum maintenance.
How much do aluminium windows cost in India?
Aluminium window price in India can be different, as it varies on its size, design, type of glass used and what is the system concept. A system aluminium window generally costs more than a basic aluminium window due to superior performance, durability and hardware.
Which aluminium window is best for Indian homes?
The best aluminium windows in India depend on climate, usage, and design preference. Common options include:
- Sliding aluminium windows for space-saving
- Casement aluminium windows for ventilation
- System aluminium windows for high performance
For urban homes, system aluminium sliding windows and soundproof aluminium windows are increasingly preferred due to noise reduction and thermal insulation.
Why choose aluminium frames for sliding glass windows?
Aluminium frames are ideal for sliding glass windows because they are:
- Lightweight yet strong
- Rust-resistant and weatherproof
- Low maintenance
- Capable of supporting large glass panels
System aluminium sliding windows also provide better insulation, smoother operation, and long-term durability compared to traditional window materials.