How to prevent your windshield from fogging up without using the air conditioning

How to prevent your windshield from fogging up without using the air conditioning

October 23, 2025 – 10:27

When the warm, humid air in the passenger compartment comes into contact with the cold windows, the moisture condenses and forms a whitish layer that reduces visibility. How to prevent it.

Have you ever had to drive with him? fogged windshield and you could barely see the road? This phenomenon, very common in cold or rainy daysoccurs due to the temperature difference between the interior of the vehicle and the outside environment.

When the warm, humid air in the passenger compartment comes into contact with the cold windows, the moisture condenses and forms a whitish layer that reduces visibility. The most practical solution is usually turn on the air conditioning to balance the temperatures, although this implies greater fuel consumption.

How to prevent your windshield from fogging up without using the air conditioning

However, there are simple and free ways to prevent it. One option is Open the windows slightly to allow air to circulate and equalize the temperature. If the weather permits, this helps remove accumulated moisture.

Another effective alternative is Place silica gel bags inside the vehicle. This material, used in packaging and shoe boxes, absorbs moisture from the air and prevents it from condensing on the glass.

windshield 1.jpeg

One option is to open the windows slightly to allow air to circulate and equalize the temperature. If the weather permits, this helps remove accumulated moisture.

One option is to open the windows slightly to allow air to circulate and equalize the temperature. If the weather permits, this helps remove accumulated moisture.

In days of rain, air conditioning is still the best option to keep your windshield clean and clear. And if visibility is reduced too much, the most prudent thing to do is to stop and clean the windows before continuing the trip.


Source: Ambito

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