What Causes One Side of the Car Air Conditioner to Be Cold and the Other Side Not?

1 Answers
LeHayden
07/30/25 9:45am
When one side of the car air conditioner is cold and the other side is not, the common causes are usually a damaged air filter or insufficient refrigerant. This happens because the left and right air ducts correspond to half of the evaporator each. If there is a refrigerant shortage, one half of the evaporator will be cold while the other half remains warm. Air Filter: A high-quality air filter can absorb dust particles, reduce respiratory discomfort, minimize irritation for allergy sufferers, and enhance driving comfort. It also helps protect the air conditioning cooling system. Refrigerant, commonly known as Freon or refrigerant fluid, is used in refrigeration and air conditioning systems to transfer heat and produce cooling effects. Based on working methods, refrigerants can be classified as primary or secondary. Based on material properties, they can be categorized as natural or synthetic refrigerants. Car Air Conditioning: As an essential component for improving passenger comfort, car air conditioning has been widely recognized by both automobile manufacturers and consumers. Currently, in China, the installation rate of air conditioning in domestically produced passenger cars has reached nearly 100%, and its adoption in other vehicle types is also increasing year by year. Car air conditioning has become a crucial functional component in automobiles. With the rapid growth of the automotive industry, especially passenger cars, in recent years, the auto parts sector has also experienced rapid development. Car air conditioning, as a key component for enhancing passenger comfort, is now widely acknowledged by manufacturers and consumers alike. In China, the installation rate of air conditioning in domestically produced passenger cars is close to 100%, and its adoption in other vehicle models continues to rise annually. Car air conditioning has evolved into a pivotal functional component in automobiles.
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