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 →
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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