A premium class window
Meet the Ecotherm
A passive wooden window. 
Meet the Ecotherm
A passive wooden window.
Experience the true comfort of using our best product from the ‘Top Ten’ list of the most energy efficient windows.
Two chamber glazing unit in standard version and a thick, 92 mm profile utilise the natural passive energy of the environment, preventing the warmth from escaping. This allows for caring for the environment and lowering the heating bills at the same time.
You can choose pine, oak or meranti as well as many effective additions, warm spacer bars in a few colours. Design your individual interior with one of numerous colours from the entire RAL chart or transparent lazure veneers, underlining the beauty of the natural wood grain.
Check out the individual retro ornaments enter for more information.

Scroll down and check all parameters by downloading a pdf file.
A window from the
“Top Ten” list
Choose the Ecotherm passive window if you want the most energy efficient window from the prestigious polish list of “Top Ten” products. The thickest 92 mm wooden profile and two chamber glazing unit in the standard version!
- Full color palette Download PDF
- Order print Download PDF
- Warranty card Download PDF

Compose the window
for yourself
Or maybe you would like to change the parameters of the selected window or create a slightly different design? We understand it perfectly! Check now what we have prepared for you - lots of colors, different types of door handles and this is not the end of surprises!
Create your window
Choose an entry door
Select the door for this window model
Choose the outer blind
Choose a blind for this window model