Twin pivot windows northern Germany air-lux

air-lux products

Large-scale, frameless and 100 % impermeable

The large-scale frameless air-lux products offer clients and architects new design freedom for visionary architecture with glass façades. We manufacture all of our sliding windows, pivot doors, descending windows and special solutions in our factory halls in Switzerland – using a wealth of experience, high-tech craftsmanship and expertise.

Why air-lux?

Technology and craftsmanship

The basis for air-lux quality is the optimal combination of modern infrastructure, state-of-the-art technology and highly trained employees.

Creative freedom and individuality

With different options for arrangements, elements and opening types, as well as fascinating special solutions, air-lux gives clients and architects new design freedom for pioneering architecture with glass façades.

After-sales management

For us, it doesn’t stop with the sale. We are there for you 24/7, even after installation.

We offer our customers a 24/7 on-call service and offer a 10-year warranty on profiles, fittings and seals.

Find out more about our service

Solutions competence

Since it was founded in 1964, Krapf AG has developed into one of Switzerland’s leading façade engineering companies. Our many years of experience in façade construction is the foundation of our know-how.


All functions of the air-lux sliding windows are designed to ensure the best possible operating and living comfort.


Whether the aim is clean and minimalist or striking and exclusive, air-lux gives builders and architects new design freedom to create groundbreaking architecture with glass façades. See for yourself.