When temperatures don\u2019t drop in the evening, it\u2019s hard to get a good night\u2019s sleep without a refreshing breeze. Many people then leave their air conditioning running all night. But when the bill arrives, the question stings: how much does this nighttime comfort really cost? Spoiler alert: the bill can quickly add up\u2026 unless you know a few simple tricks!
\nCoolness that comes at a price\u2026 down to the kilowatt.
\nAir conditioning has become an almost indispensable comfort during periods of extreme heat. However, it\u2019s not without consequences for your electricity consumption. On average, a domestic air conditioner (wall-mounted split or portable monobloc) uses between 1.5 and 2.5 kWh per hour. This depends, of course, on the unit\u2019s power, the outside temperature, the insulation of your home, and even\u2026 the size of your bedroom.
\nA quick calculation? With an average price of \u20ac0.20 per kWh in 2025:<\/p>\n
For 2 kWh, expect to pay around \u20ac0.40 per hour.
\nOver an 8-hour night, this rises to approximately \u20ac3.20.
\nAnd if you leave the air conditioning running 24\/7? That can reach \u20ac9.60 per day, or nearly \u20ac70 per week!
\nNeedless to say, over the course of a summer, the bill can quickly become quite unpleasant\u2026<\/p>\n
Smart air conditioning: consume less energy without suffocating the system<\/p>\n
Fortunately, there are very simple ways to keep cool without breaking the bank:
\nRecent models with an A++ or A+++ energy label consume up to 40% less than older air conditioners.<\/p>\n
Choosing the right size unit:
\nAn air conditioner that\u2019s too powerful for a small room will waste energy. Conversely, an undersized model will run continuously. The best compromise? A unit that\u2019s appropriate for the room\u2019s size and insulation.<\/p>\n
Set the temperature moderately:
\nAccording to Ademe, a temperature of 26\u00b0C is perfectly adequate for comfortable sleeping. And be aware: the greater the difference between the outside and inside temperatures (above 7\u00b0C), the higher the energy consumption.<\/p>\n
Use the \u201ceco\u201d or \u201cnight\u201d mode:
\nThese functions allow the device to adjust its power. The result? Less noise and up to 30% energy savings!<\/p>\n
What if we also took advantage of natural coolness?
\nEven before turning on the air conditioning, a few simple actions can make all the difference:<\/p>\n
Ventilate early in the morning or late in the evening, when the air is cooler. Then close everything, including the shutters, to keep that coolness inside.<\/p>\n
Insulate your windows and attic if you haven\u2019t already. Good insulation not only reduces heat in the summer, but also heat loss in the winter. A double benefit, summer and winter.
\nMaintain your appliance: A clogged filter or a poorly adjusted system can consume far more energy than necessary. Regular cleaning is often enough to optimize its performance.
\nRestful sleep is precious\u2026 even more so when it doesn\u2019t cost a fortune.<\/p>\n","protected":false},"excerpt":{"rendered":"
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