Let us help you optimise your

We have great experience with optimizing the window and door section of the PHPP calculation and will be happy to assist you with this. Please contact us for more information.

Download attached Excel spreadsheet with window, door and pane-data and copy the data directly into your PHPP.

Rationel AURA and AURAPLUS


Please note that it is possible to achieve more accurate numbers. For more detailed values please contact Rationel Windows.

Note: If you are having trouble downloading the files, try right-clicking on the file you want to download and select ‘Save link as…’ then in the following screen choose where to put the file on your computer.