📌 Water heater: how to set it correctly to save 30 euros per month on your electricity bill
Posted 12 January 2026 by: Admin
A simple adjustment to your water heater can save you up to 30 euros per month on your electricity bill. This system represents the second largest source of energy consumption in French households, right after heating. Discover the little-known plumber’s trick to optimize your installation without costly work.
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