BEC Windows

Smart Savings

Drastically reduce your energy costs with cutting-edge thermal efficiency.

Total Thermal Comfort

A cozy environment in winter and refreshing throughout the summer.

Affordable Luxury

Premium vacuum technology now within reach of all budgets.

Ideal for Retrofitting

Designed to fit perfectly into your existing window frames.

Global Standards

Fully certified by the most rigorous international testing institutes.

Quick Installation

A fast, clean, and hassle-free assembly process for your project.

BEC Historic Windows

Authentic Aesthetics Meet High Performance

BEC Historische Fenster

Preserving historical facades and renovating old window frames is often a challenge. With BEC Historische Fenster, you no longer have to compromise. Our vacuum technology offers an ultra-thin insulation solution that perfectly preserves the historical character of your house while delivering modern energy efficiency at the highest level.

Heritage Protection Compliant: Thanks to the ultra-slim profile, our glass fits into almost any historical frame – often without the need for modifications.
Maximum Energy Efficiency: Achieve excellent U-values that far outperform conventional insulating glass.
Preservation of Building Structure: Preserve your original wooden frames and save yourself the cost and effort of a complete window replacement.
More Daylight: Benefit from significantly higher light transmission compared to massive triple glazing.
Long-lasting Investment: An extremely stable vacuum seal guarantees a lifespan of up to 50 years with no loss in insulation value.

Request a Quote Learn More

Need help?

Frequently Asked Questions (FAQ)

Can I keep my original wooden frames? +

Yes, that is the main advantage! Thanks to the ultra-thin vacuum technology (from 6.7 mm), BEC Historische Fenster can be installed into almost all existing wooden profiles without having to alter the original facade.

Is the glass approved for heritage-protected buildings? +

Absolutely. Since the external appearance and frame structure are preserved, our solution is frequently accepted by heritage authorities, as it respects the building's historical character.

Can you tell the difference from old window glass? +

No, the aesthetics remain authentic. Unlike bulky triple glazing, which often destroys the character of historic homes, our vacuum glass is discreet, filigree, and ensures a natural appearance.

Is this a sensible energy renovation? +

Very much so. Our windows offer state-of-the-art thermal insulation values that drastically reduce heating energy demand – all without the complex and costly complete replacement of all windows.

How long do BEC Historische Fenster last? +

Vacuum glass is extremely durable. Thanks to our high-quality edge sealing, the vacuum remains stable for decades – we estimate a lifespan of up to 50 years without loss of insulation.