How do I stop my windshield from fogging up?

Some of the best ways to prevent a foggy windshield include:
  1. Use an Ammonia-Based Window Cleaner.
  2. Apply Shaving Cream to Your Windshield’s Interior.
  3. Activate the Defroster When You Warm Up Your Car.
  4. Use Fresh Air Mode.
  5. Keep a Car Window Open.
  6. Wipe Your Shoes Before You Enter Your Car.
  7. Get Your Car’s HVAC System Inspected.

How do I get rid of a foggy windshield without AC?

If the air in the cabin has a lot of moisture in the air, then it will condense on the cold surface of the window. Directing warm air across the window (with the defroster setting) seems to help, as does rolling down a window slightly, but it’s hard to roll down a window when it is pouring rain.

What’s the best way to defog a front windshield?

For a more comfortable solution: Lifehacker advises those who want to be snug and warm while driving to turn on the defroster and blow warm air across the windshield to evaporate the accumulating moisture. If your vehicle’s ventilation system has a recirculate feature, turn it off.

Why is my windshield fogging on the inside?

First of all, the fog comes from water condensation on the INSIDE of the window or windshield of your car. This is why your car may fog up when you turn it on during the winter; the warmer air on the inside of the car carries moisture, which condenses when it comes into contact with the cold glass.