Kia Niro air conditioning performance drops from maximum to half during extended use, possibly due to compressor overheating. on Kia Niro

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Kia Niro owners report experiencing a drop in air conditioning performance from maximum to half during extended use, which may be linked to compressor overheating. This issue can affect the efficiency of the air conditioning system over time. Additionally, low refrigerant levels are another common concern that can lead to inadequate cooling, making it important for owners to check these levels regularly. A clogged or dirty cabin air filter can also restrict airflow, further impacting performance, so routine inspection and replacement are advised. Regular maintenance, including checking for refrigerant leaks and ensuring proper refrigerant levels, is crucial for optimal air conditioning function. If performance issues persist, it is recommended that owners consult a professional for a thorough inspection to identify and resolve any underlying problems.

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