The dehumidifier is a very practical solution for absorbing moisture in your car, whether it's to eliminate foggy windows in the morning, musty smells and other moisture-related problems. It reduces this type of frustration in a car as well as in your home, mobile home or caravan.
By limiting humidity, you will avoid persistent fogging, which causes poor visibility for the driver, as well as mould, fungus and bacterial growth.
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Our selection for the year 2023
There are many dehumidifiers on the market. In order to make your choice easier, we have limited our selection to 3 products that we believe are the best for your car in 2023.
1. Wessper auto dehumidifier and defroster
The most efficient
The Wessper is a dehumidifier specially designed for fogged and frozen car windows from the inside. Ideal for small spaces, this dehumidifier prevents rust and mildew in your car.
Made from silica gel, this 0.9 kg product can be reused after drying the cushion in a microwave or radiator, and lasts for about 3 months.
2. Carlinea dehumidifier and anti-fogging system
Our favourite ❤
The Carlinea is an effective solution for quickly removing moisture from your vehicle. This reusable moisture absorber is made from silica gel to limit fogging and condensation caused by excess moisture.
This dehumidifier is resistant and retains water safely, without leaks. The product's plus? It is equipped with an indicator: as soon as it turns pink, you should put the Carlinea dehumidifier in the microwave for 6 minutes. After a few minutes, it will be usable again and the indicator on the bag will turn blue again.
3. Rubson Sensation Pure moisture absorber
The best value for money
The Rubson sensation pure is a discreet dehumidifier for small rooms of 10 m². This product is ideal for a small space such as a car. It effectively fights against excess humidity, while preventing mould and dust mites in your car.
The Tab Sensation is a compact design with a long life span: a single refill can last for approximately 2 months for 10 m². Odour neutraliser, each side of the "Tab Sensation" refill is made up of ultra-active crystals capable of fighting bad odours and excess humidity...
Causes of humidity in a car
Condensation on your car windows occurs when the warm air in your car meets your cold windscreen. When it comes into contact with water vapour, it condenses and creates a cloud of mist that obstructs your view. There are many sources of moisture in your car:
- your clothes, shoes, boots, etc. that are wet from the rain,
- your breath,
- a wet carpet,
- leaks from the ventilation system, sunroof, doors or windows,
- food and hot drinks,
- the flow of coolant into the vehicle interior.
Breathing in a cold car also causes condensation. This is because your breath is approximately 30°C when it leaves your body and contains a lot of moisture. So when warm breath comes into contact with a cold surface (such as a window), it condenses and causes additional moisture to build up inside your car.
Are your moisture problems not limited to your car?
>> Discover our complete guide to the best dehumidifiers
How does a car dehumidifier work?
Car dehumidifiers are generally based on the principle of chemical absorption. Also called desiccant dehumidifiers, they are made of hydrophilic materials, such as silica gel. They are usually found in the form of a bag or a cushion.
In order to get the most out of them, it is advisable to place them in your car every night so that they can take effect. Reusable, the only disadvantage of using a portable dehumidifier, whatever its size (mini or maxi), is that you must regularly empty the water it absorbs: the action of the heating or the sun is indeed not powerful enough to remove the water vapour collected by the humidity absorber.
Benefits of using a dehumidifier in your car
Having a dehumidifier in your car is an often overlooked solution, yet it allows to'avoid problems with fluctuating humidityThis is a great way to create a safer, healthier and more pleasant climate in your car, without much effort.
By installing a dehumidifier in your car, you will regulate the amount of humidity in the air inside, while limiting the difficulties inherent in this excess water (mould, bacteria). Whatever vehicle you drive, having a portable, lightweight and compact dehumidifier is a perfect way to eliminate odours and other problems caused by excess moisture.
Where to place the dehumidifier in your vehicle?
It may not sound like much, but the location of a dehumidifier in your car can have an impact on its effectiveness. Depending on where you place it, the benefits will be different:
On the dashboard
There are several reasons why people like to place their dehumidifier on the dashboard. The main reason is to prevent the windows from fogging up. By placing it on the dashboard, you can be sure that the demisting will take place as soon as possible. In addition, it is easy to know when the dehumidifier is full and needs to be emptied.
On the back deck
Defogging the rear window can be a priority for those who do not have a defroster. In addition, it is sometimes difficult to keep a dehumidifier in place on the dashboard, unlike the rear deck, which often has open, ridged areas behind the seats, perfectly suited to a reusable moisture-absorbing bag.
In the trunk
Moisture in the boot can occasionally be a nuisance, as many cars do not have sufficient air circulation from the boot to the main cabin. This is particularly true for drivers who play sports, fish or hunt: equipment and clothing stored in the boot can generate moisture and a rather persistent musk.