With summer just around the corner, should you opt for a fan or an air conditioner to keep your home cooler? We looked into it for you.
This summer is set to be a hot one-at least, that’s what meteorologists are forecasting as we write. Heatwave spells are expected to become more common in the years ahead, which makes choosing the right equipment increasingly important. Today, there are two main options: the fan or the air conditioner. But which helps you stay comfortable without spending a fortune? To answer that, we went through ADEME reports to understand the typical energy use of both types of device.
The fan: an economical, low-energy option
A fan is the simplest way to get air moving around a room. It doesn’t actually generate cold air; instead, it makes you feel cooler because the airflow passes over your skin. Its biggest strength is how little electricity it uses. According to ADEME, a fan can use up to 20 times less energy than an air conditioner.
In practice, a standard fan usually has a power rating of 45 to 70 watts, which means you can run it for hours without your bill shooting up.
From a cost perspective, it’s also the most accessible choice, with entry-level models starting at €20. There’s no installation to plan for and no particular maintenance to worry about, and it doesn’t release greenhouse gases. Purely in terms of spending, the fan is clearly the cheapest solution-although during a heatwave it will still be circulating hot air.
The air conditioner: real cooling, but high consumption
An air conditioner does genuinely reduce the room temperature (it works by removing heat from the indoor air and expelling it outside), but it requires a lot of energy to do so. A portable air conditioner typically draws between 1,000 and 2,000 watts, equivalent to several household appliances running together.
In day-to-day use, that translates into a much higher electricity bill-especially if it’s used for long periods during heatwaves.
The purchase price is also significantly higher, with entry-level portable units starting at around €300. On top of that, there are environmental downsides linked to refrigerant fluids and, if you live in a city, the contribution to urban heat island effects. Lastly, air conditioner maintenance can be more expensive, particularly if the unit breaks down. That’s why it’s worth weighing up the comfort gained against the overall cost.
The air cooler: the ideal solution?
If you’re looking for a middle ground, evaporative air coolers are now widely available. They use less energy than an air conditioner, and they can be more effective than a simple fan in areas where the air isn’t too humid. Their electricity use stays relatively modest, and prices generally range from €50 to €500.
Practical ways to keep a home cool for less
Finally, adopting the right habits to cool your home can help you cope with hot weather at a lower cost. Good thermal insulation, limiting the use of electrical appliances, and airing the home at night are all effective measures.
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