Is It Normal for Water Droplets to Appear at Car Air Conditioning Vents?

[VanMarcus]

It is normal for water droplets to appear at car air conditioning vents. Here are the relevant explanations: 1. "Condensation water" may form at air conditioning vents: The dew point (or frost point) temperature refers to the temperature at which air, under constant water vapor content and pressure, cools to saturation. This is the temperature at which water vapor in the air turns into dew droplets. 2. Higher temperatures: In hot summer regions when indoor humidity is high, the dew point temperature of the air is relatively high. When the supply air temperature is lower than the dew point temperature of the indoor air, condensation and dripping of condensation water may occur at the louvered vents of the air conditioning, especially during the initial period after startup. This is a normal phenomenon.