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Here's the Fastest Way to Defrost Your Car Windshield According to Science

It’s winter. If you drive a car that’s parked outside, you know what that means. It’s frigid as hell inside your car and the windshield is totally opaque from all the foggy ass frost. Not cool. How do you get rid of it? Hit the defrost button right? That’s not all. The always inquisitive Mark Rober tested out every combination on how to defrost your windshield and came up with a way that is twice as fast as other methods. That means you’ll get a clear windshield in half the time.

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Watch the video below to see Rober explain what he is trying to achieve and how he conducts his experiments (it’s really fascinating) and the results are truly impressive but the nut of it is rather simple:

  1. Turn heater on at full blast
  2. Turn AC on
  3. Turn off the inside air circulation
  4. Crack open the windows

Turning on the windshield defroster is obvious, right? But definitely check out the video because Rober has some tips that would speed up the defogging process even more.

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DISCUSSION

leftymcrighty
Lefty McRighty

Yeah maybe I’m a big dumb idiot but this video deals with defogging. Defrosting, which I deal with daily for several months up here in the north, definitely doesn’t work this way.

My experience, the best way to defrost your windshield is to start driving right away while you can’t see anything. Roll your window down and stick your head out for visibility. As the engine heats up from driving, it’ll defrost the windshield faster than if you’d just let the car sit in your driveway idling.

I’ve also got some great tips for cleaning human blood off your front bumper...