Constant research
Since over 85 years, Hrachowina furthers the development of the window. "Our doors and windows count today amongst the best in the world and we are constantly engaged that this fact will also remain true in the future.
Certified quality
In-plant controls as well as external examinations and also autonomous technical experts guarantee an equal remaining quality standard of Hrachowina products.

• Constant quality certification through the Austrian Research Institute of Wood.
• Constant collaboration with the Rosenheim Institute for Window Technique
• Constant inspection of suppliers
• Traceable window quality through U-values