Does AC Use Coolant in a Car

No, the car’s AC system does not use engine coolant to cool the air. Instead, it uses a refrigerant, such as R-134a or R-1234yf, to absorb and remove heat from the cabin. However, engine coolant indirectly affects the AC system by maintaining the engine’s temperature and ensuring proper compressor function. Refrigerant vs. Coolant: What’s the…