How to Defog Your Car Windows When You’re in a Hurry

Mark Rober

Of all the inconveniences of winter, one of the simplest but most frustrating is fogged-up car windows. If you’re running late for work or simply in a hurry, you don’t have precious minutes to waste defogging them. Since it’s impossible to skip the process entirely, we need to find the fastest and most efficient way to do it. Luckily, we have former NASA engineer Mark Rober on our side! He ran experiments to find the best way to defog windows, and found a four-step process that’ll accomplish it in half the time. Watch and learn!

4 Steps

  1. Turn your heater ON full blast.
  2. Turn your A/C ON.
  3. Make sure the inside circulation is OFF.
  4. Crack your windows.

So there you go! The scientifically-proven best way to defog your car. Is this way how you’ve always done it? Do you have your own tricks for speedy defogging?