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Why is it stupid to follow ‘garage’ recipes to prevent car windows from fogging up?

  • November 7, 2023
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Sweating car windows and methods of combating this natural phenomenon are a standard “autumn-winter” topic of publications on many automotive resources on the Internet. The practical benefit of

Sweating car windows and methods of combating this natural phenomenon are a standard “autumn-winter” topic of publications on many automotive resources on the Internet. The practical benefit of most of these “life hacks” is a big question.

Humid weather is the main cause of fogging. Moisture deposited on car windows hinders your vision and is downright annoying – there is no denying that. People get into the car with wet clothes, they start to dry and the air in the car becomes saturated with water vapor. When they come into contact with cold glass, condensation forms on the windows. A mass of tiny droplets causes clouding on the once transparent surface.

A slightly different process leads to the same result: when, while the car is moving, raw street air is heated in the engine compartment and then enters the passenger compartment “by gravity” through the deflectors. It then comes into contact with cold window glass again and causes fogging. There are so many ways to combat this “wet body physics” invented by the curious minds of car owners that you can read about on the Internet. They are all divided into two large “sections”.

The first includes those that offer to combat sources of moisture in the cabin. As a rule, we are talking about removing moisture that accumulates on carpets. It is suggested to remove it using various absorbers. Among them are dry newspapers, cat litter, sanitary napkins, baby diapers and even chunks of dry snow – if it happens in winter. No less impressive is the range of methods designed to directly prevent sweating.

They all boil down to coating the inner surface of the glass with compounds that keep microscopic droplets of water from lingering on it. After condensing, each of them immediately begins to flow down and merge with the others. That is, even though the surface of the glass becomes wet, it remains transparent. It is not recommended to cover it with anything to achieve such an effect! In addition to specialized automotive chemicals, of course. It is recommended to rub the glass with a slice of lemon, a mixture of alcohol and glycerine, toothpaste, shaving foam, silicone oil, you name it. And every advisor of something from this series claims that following his instructions will save you from moisture condensation on the windows.

Let us tell you the main secret of this matter. The windows are sweating on cars that don’t have air conditioning or are broken! Today it is difficult to find a new car for sale that is not equipped with at least a primitive “cond”. Its lack is the fate of old Zhiguli cars and some other cars of approximately the same era. To quickly combat fogging, the owners of the vast majority of more modern vehicles simply need to turn on the car air conditioner. If this does not help, it means that it is broken or it is time to replace the cabin filter (which is damp!).

And there’s no need to add sanitary pad “lotions” and glycerin rubs!

photo globallookpress.com

Humid weather is the main cause of fogging. Moisture deposited on car windows hinders your vision and is downright annoying – there is no denying that. People get into the car with wet clothes, they start to dry and the air in the car becomes saturated with water vapor. When they come into contact with cold glass, condensation forms on the windows. A mass of tiny droplets causes clouding on the once transparent surface.

A slightly different process leads to the same result: when, while the car is moving, raw street air is heated in the engine compartment and then enters the passenger compartment “by gravity” through the deflectors. It then comes into contact with cold window glass again and causes fogging. There are so many ways to combat this “wet body physics” invented by the curious minds of car owners that you can read about on the Internet. They are all divided into two large “sections”.

The first includes those that offer to combat sources of moisture in the cabin. As a rule, we are talking about removing moisture that accumulates on carpets. It is suggested to remove it using various absorbers. Among them are dry newspapers, cat litter, sanitary napkins, baby diapers and even chunks of dry snow – if it happens in winter. No less impressive is the range of methods designed to directly prevent sweating.

They all boil down to coating the inner surface of the glass with compounds that keep microscopic droplets of water from lingering on it. After condensing, each of them immediately begins to flow down and merge with the others. That is, even though the surface of the glass becomes wet, it remains transparent. It is not recommended to cover it with anything to achieve such an effect! In addition to specialized automotive chemicals, of course. It is recommended to rub the glass with a slice of lemon, a mixture of alcohol and glycerine, toothpaste, shaving foam, silicone oil, you name it. And every advisor of something from this series claims that following his instructions will save you from moisture condensation on the windows.

Let us tell you the main secret of this matter. The windows are sweating on cars that don’t have air conditioning or are broken! Today it is difficult to find a new car for sale that is not equipped with at least a primitive “cond”. Its lack is the fate of old Zhiguli cars and some other cars of approximately the same era. To quickly combat fogging, the owners of the vast majority of more modern vehicles simply need to turn on the car air conditioner. If this does not help, it means that it is broken or it is time to replace the cabin filter (which is damp!).

And there’s no need to add sanitary pad “lotions” and glycerin rubs!

Source: Avto Vzglyad

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