Does a Car Air Conditioner Need Refrigerant?

[JudeDella]

Does a Car Air Conditioner Need Refrigerant? The answer is yes. Below is an introduction to how a car air conditioning system works: 1. Compression Process: The compressor draws in low-temperature, low-pressure refrigerant gas from the evaporator outlet and compresses it into high-temperature, high-pressure gas before expelling it. 2. Heat Dissipation Process: The high-temperature, high-pressure superheated refrigerant gas enters the condenser, where it condenses into a liquid due to the drop in pressure and temperature, releasing a significant amount of heat. 3. Throttling Process: The higher-temperature and higher-pressure refrigerant liquid passes through an expansion device, causing its volume to increase while its pressure and temperature drop sharply, exiting the device as a mist (fine droplets). 4. Heat Absorption Process: The mist-like refrigerant liquid enters the evaporator. Since the boiling point of the refrigerant is much lower than the temperature inside the evaporator, the refrigerant liquid evaporates into a gas. During this evaporation process, it absorbs a large amount of surrounding heat, after which the low-temperature, low-pressure refrigerant vapor re-enters the compressor.