The Heating, Ventilation, and Air Conditioning (HVAC) system in a vehicle serves several important functions to ensure comfort and safety for the occupants. Here are the main uses:

1. Heating: The heating system warms the air inside the vehicle, making it comfortable for passengers during cold weather. It uses heat from the engine’s coolant to warm te air before it is circulated inside the cabin¹.
2. Ventilation: The ventilation system controls the air temperature and distributes fresh air throughout the cabin. It ensures a constant flow of air, which helps in maintaining a pleasant atmosphere inside the vehicle¹.
3. Air Conditioning: The air conditioning system cools the air inside the vehicle, providing relief during hot weather. It remov#es heat and humidity from the air, making the cabin comfortable²