Energy savings calculator
Get an indicative estimate of how much you could save by replacing your current windows with windows offering better thermal performance.
Energy configurator
Calculate how much you can save by replacing your windows
Enter the main home details and compare the estimated savings based on the area and U-value of each window.
Home details
The province automatically applies an estimated heating and cooling climate profile.
Select a province to see the climate profile applied to the calculation.
€/kWh. Default value: €0.15. You can change it.
€ including installation. This value is only used to calculate the estimated payback.
Dimensions and U-values
Start by entering one measurement. To add more window groups, click “Add another measurement”. The calculation only uses visible and fully completed rows: width, height, quantity, current Uw and new Uw.
Measurement 1
Measurement 2
Measurement 3
Measurement 4
Measurement 5