Does Car Air Conditioner Use Coolant

Yes, your car’s air conditioning (A/C) system uses coolant, but it’s not the same type of coolant (antifreeze) that circulates through your engine. The A/C system uses a refrigerant, which is often referred to as A/C coolant. This refrigerant is responsible for the cooling process inside the A/C system. How A/C Coolant (Refrigerant) Works 1….