What is the normal temperature range for car air conditioning vents in ℃?

1 Answers
DiBlakely
07/29/25 9:26pm
The temperature difference between the outlet vent and the return vent should be greater than 8℃ in cooling mode to be considered normal, and no less than 18℃ in heating mode to be normal. There is no specific value for the outlet vent temperature as it is related to the ambient temperature. The higher the ambient temperature, the higher the outlet vent temperature (in heating mode), and the lower the room temperature, the lower the outlet vent temperature (in cooling mode). Regarding the temperature standards for inlet and outlet vents: There is no definitive standard for the temperature difference between the inlet and outlet vents, as it varies depending on the brand, model, cooling capacity, and ambient temperature. Additionally, the standards differ for different groups of people, such as the elderly, children, and adults. Generally, the comfortable temperature for the human body ranges between 24℃ and 28℃, depending on personal preference. The inlet vent temperature is usually equivalent to the indoor temperature (the air conditioning inlet vent is located inside the unit).
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