BEC Windows

Modern Insulation for Historical Buildings

Preserving historical buildings and old houses is an architectural achievement. With BEC Historische Fenster, you no longer have to compromise between authentic aesthetics and modern energy efficiency. Instead of a conventional spacer, we use an absolute vacuum. The result: Insulation performance that far outperforms standard glass – at a fraction of the thickness.

Maximum Thermal Protection: An unbeatable U-value of 0.5 (W/m²K)

Ultra-Slim Technology: Ideal for historical frames with a thickness starting from just 6.7 mm

Preservation of Existing Frames: Save yourself from expensive and complex renovations

Heritage Protection Compliant: Meets the highest visual standards and is eligible for subsidies

Full Transparency: Maximum light transmission without annoying double reflections

Outstanding Sound Insulation: Reduction of external noise by up to 41 dB

Durability: Expected lifespan of up to 50 years without loss of efficiency

Why BEC Historische Fenster?

Perfect Aesthetics

Our vacuum glazing preserves the authentic, historic character of your home, avoiding the modern, bulky look of standard triple-pane glass.

Keep Original Frames

Thanks to the ultra-thin design, our glass fits perfectly into your existing wooden frames. This saves you from expensive and complex renovation work on the building.

Top Insulation Values

Benefit from modern insulation technology that goes far beyond conventional solutions, noticeably reducing your heating costs.

Future-Proof & Durable

Vacuum glass is extremely long-lasting. Unlike gas-filled windows, our glass does not lose its insulation performance even after decades.

Heritage Compliant

The ideal solution for listed and historic buildings where energy efficiency upgrades must remain visually invisible.

More Natural Light

Enjoy higher light transmission and a brighter living space, without the gray tint of conventional double or triple insulation glazing.