Free tool for households
Save energy.
Save energy.
Reduce costs.
Calculate how much you can save on home renovations - with a calculator developed by Arvio.
Energy calculator
Calculate how different renovation measures affect your home's energy consumption and heating costs.
Open calculator →Energy saving tips
Practical tips for reducing energy consumption - from simple habit changes to larger renovation investments.
Read tips →Home renovation
Information about investments in heat pumps, windows and facades, and how these investments reduce costs in the long run.
Learn more →
~150 kWh/m²
average annual heating consumption
70 %
of buildings built before 1990
up to 60 %
energy savings from deep renovation
Our mission
The Society for Responsible Energy Use educates the public about energy efficiency and helps households make informed decisions about home renovation and reducing energy consumption.
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