Koemmerling uPVC window systems offer the most varied styles and designs. The technical limitations of the past have been overcome and today’s Koemmerling uPVC window and door profiles can be fitted into any type of property from residential houses and apartments to commercial buildings such as hotels, hospitals and modern office blocks. With their great versatility, Koemmerling uPVC window and door systems will satisfy any taste in style and design, and have proven to be the best material even for the restoration of old buildings.