Nighttime heating: is it better to turn it off completely or set it to 16–17°C to reduce your electricity bill? Here is what the experts say…

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At night, our bodies require less heat to remain comfortable, making it the ideal time to lower the temperature. ADEME recommends a temperature of around 19°C in living areas during the day, and 16–17°C at night. This not only promotes a more restful sleep but also significantly reduces energy consumption.

A very simple rule to remember: lowering the temperature by 1°C results in savings of approximately 7% on your heating bill. This is an excellent reason to adopt “night setback”—a technique that involves lowering