How air cooler works without water?

Every summer, many of us have to choose between experiencing heatwaves or bearing the purchase price and then consuming an air conditioner.

At a time of global warming and repeated heatwaves, refreshing one’s home has become a health priority and a comfort imperative. To keep your home from turning into a furnace, you’ll need to equip yourself with an air conditioner, a ventilator, a VMC or, although little known, an air cooler.

Efficient, economical and eco-friendly, the latter has everything to seduce you. But what is an air cooler? And how does it work?

Air cooler: how does it work?

The idea is comparable to that of the helicopter. If the flying craft takes over the propeller mechanism of the insect with the same name, the air cooler reproduces a natural process: that of cooling the air by evaporation.

Hot, dry air is expelled outwards through a fan through a buffer moistened by cold water. The wind tunnel phenomenon will, therefore, cause the water to evaporate. The transition from a liquid to a gaseous state requires energy. The latter will be recovered from the air, causing the room’s temperature in which the cooler is located to drop by a few degrees.

As a result, you gradually reduce the temperature felt at a low price, both at purchase and the end of the month, since the air cooler shows excellent energy efficiency when compared to an air conditioner or a controlled mechanical ventilation system (VMC).

This small appliance consumes up to ten times less energy than an air conditioner. It requires no gases harmful to the environment to function properly, unlike other solutions that compete with it. In addition to being thrifty and respectful of the planet, the air cooler is also ultra-practical: you won’t need to plan an opening in your walls to install it. The air cooler is completely mobile and can refresh you where you are, as long as an electrical outlet is nearby.

In the end, the air cooler is a more accomplished, more sophisticated and less artisanal version of the famous “wet towel” placed on a fan. It will allow you to lower the thermometer in a medium-sized room at a low price without (too much) impacting your carbon footprint.

How to use an air cooler

It’s effortless, and the modus operandi varies very little from one device to another: fill the tank with freshwater, plug the air cooler into the area, and press the “walk” button. If you live in a scorching environment, you can add ice cubes to the water tank for extra freshness.

Depending on the model, you will be able to refresh 20 to 30 m2 for a range of between 10 and 30 hours. But the way the air cooler works imposes a small maintenance expense: it’s the most fragile part, the humidification pad, must be changed every 4 to 6 months. The more limestone the water you pour into the air freshener tank, the more the buffer will need to be changed regularly. To reduce your consumption of humidification pads, you have two solutions: harvest rainwater, naturally non-limestone, or invest in a small plant that filters tap water from all its pollutants, including limestone.

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