How to stop car windows steaming up

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De-misting windscreens should cone as a priority part of people’s routines if they travel to work by car. Not doing so could obscure people’s view and add an unwelcome element of danger to the morning commute. While the process often proves tedious, it is not too tricky.

How to stop car windows steaming up

Car windows steam up in the autumn and winter when the cold atmosphere of the vehicle interacts with someone’s body temperature.

Moisture clings to the interior and obscures people’s views as they set off for the working day.

Attempting to drive in this state could result in a hefty penalty, as it is illegal.


The easiest way to prevent moisture build-up is by eliminating the excess with heat.

Turning a car heater on cold and then warming it up will help dry out the interior, and reduce misting.

People should ensure they use the heaters directed at the windscreen to disperse any mist.


One of the best ways to de-mist windows is to roll them down during the morning commute.

Keeping them cracked open filters out the warm, moist air, and lets in the drier air from outside, balancing the indoor atmosphere.

The only drawback is cold air will stream into the car, so people may want to make sure they wrap up if they choose this option.

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Air conditioning

Those who own a car equipped with air conditioning can use it is the same way they use heating.

Using heat alone will de-mist the window, but will ultimately allow the condensation to return once the air cools again.

Air conditioning will keep the inside cool and dry at the same time.

Pre-emptive de-misting

For those who don’t have the luxury of waiting for their car to de-mist in the morning, the following options will help prevent a moisture build-up:

  • Keep a bag of cat litter in the car (in a pair of tights as recommended by some experts) to soak up any excess moisture.
  • Get rid of damp items such as old gym clothes, coats or towels.
  • Wash the car to eliminate moisture-attracting dirt particles

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