Free tool for households

Save energy.
Reduce costs.

Calculate how much you can save on home renovations — with a calculator developed by Arvio.

F class BEFORE A+ class AFTER

Energy calculator

Calculate how different renovation measures affect your home's energy consumption and heating costs.

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Energy saving tips

Practical tips for reducing energy consumption — from simple habit changes to larger renovation investments.

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Home renovation

Information about investments in heat pumps, windows and facades, and how these investments reduce costs in the long run.

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283 kWh average consumption
3,375 € annual savings
8 years payback period

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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