Trends
Here you’ll find details on all window themes.
Saving energy
The last twenty years have seen window technology make a giant leap forward with respect to thermal insulation. Read more
Passive house
The concept behind a passive house works only with a refined thermal insulation that limits the annual heating needs to… Read more
Sound Insulation
Your own home should be an oasis of peace and security. The latest generation of PVC-U windows provide a crucial… Read more
Safety & Security
Never before has the need for security been greater than today. KÖMMERLING PVC-U windows fitted with special security… Read more
Ventilation
Correct, regular airing is becoming more important than ever, especially in our better insulated living space. Read more
Colour & Design
It is the windows that are decisive in lending your building that unique and unmistakable character. Read more
Sustainability
As a lead free stabiliser in the recipe for high quality window PVC-U, greenline fulfils today the special… Read more