Energy Calculator

calculate how much kwh and CO2 you could save

U-value of current windows*

U-value of new windows*

Your Location*

The glass area of the house in m2*

*The reduction of carbon dioxide is calculated on the basis of the building's changed energy consumption for heating. Emissions of greenhouse gases related to e.g. material production, transport, waste management, etc. have not been taken into account in the calculation.

Data source: The Energy Management Register
Date source: 2021 Government Greenhouse Gas Conversion Factors for Company Reporting

NorDan reserves the right for errors in weather data.

Year	kWh Savings	CO2 Savings *
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Total Savings

0 kg

/ co2

How we’re tackling sustainability

Enhance Energy Efficiency and Reduce Carbon Impact with Nordan

The energy loss from older windows and doors can account for over 40% of the house's total energy loss.
With the help of our energy calculator, you can see what energy impact your windows and doors have and thus make a conscious choice when you need to replace them.
By reducing the energy loss in your home, you also reduce greenhouse gas emissions.

NorDan is an active player and fights for a better climate, we develop energy-efficient products and have a strong focus on the environment in our production.
Modern, energy-efficient windows and doors not only improve the indoor climate but are also an effective way to reduce greenhouse gases.
Use the NorDan climate calculator to see how the right choice of new windows and doors can affect your carbon emissions and energy consumption.

Sustainability Commitment

Conscious Manufacturing