What Causes Excessive Humidity Inside the Car?
1 Answers
Water vapor condenses into small droplets, which disappear when the air vents are adjusted to the defrost position. 1. Causes: Due to slightly colder outside weather and relatively higher interior temperature, the moisture inside the car condenses upon contact with cold surfaces. 2. Solutions: (1) Place desiccants. (Opt for car-safe desiccants with strong moisture absorption, avoiding hazardous calcium chloride-based products.) (2) Use activated charcoal. (3) Turn on the AC cold air during rainy days to effectively defog and dehumidify. (4) Open windows frequently for ventilation.