How often should car refrigerant be replenished?

[OIsla]

There is no fixed time cycle for the replenishment or replacement of refrigerant in principle. Whether it needs to be replaced or replenished mainly depends on the state of the air conditioning cooling. If the cooling performance is poor, after ruling out reasons such as heat dissipation or refrigerant leakage, the refrigerant can be replaced. Relevant information about refrigerant is as follows: 1. Introduction: Refrigerant, also known as coolant or freon, is the medium substance used in various heat engines to complete energy conversion. These substances usually use reversible phase changes (such as gas-liquid phase change) to increase power. Examples include steam in steam engines and refrigerant in refrigerators. 2. Working principle: During operation, a typical steam engine releases the thermal energy of steam, converting it into mechanical energy to generate power; the refrigerant in a refrigerator is used to transfer heat from low-temperature areas to high-temperature areas.