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As I recall, I read a news 10 years ago about putting some chemical on windshield which can somehow reduce the temperature inside a car.

Since I just bought my car, I want to try. Please help. Thanks

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H2O, when colder than the temperature of the windshield, will reduce the temperature inside the car. –  mac Apr 5 '13 at 19:59
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1 Answer 1

I don't know of any chemical or coating there may be products which claim to do this but I am unaware of any.

However, you can get clear vehicle tinting which reduce close to 100% of UVA and UVB light this can reduce heating and temperatures in the summer.

This would be a one time application and you wouldn't have to worry about reapplying stuff every-time you wash your vehicle.

Lumar Auto Solar Control

ForumlaOne UV Shield

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