Typical repair cost: $150–$2,500
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Most common cause. Systems should not lose refrigerant — any low charge means a leak.
Clutch does not engage or compressor seizes; often shows as no cold + loud noise.
Causes uneven cooling and frost on the low-side line.
Weak airflow even though system is cold.
Reduces airflow drastically; cheap to replace.
Repeated DIY recharges mask a leak and waste refrigerant — get a proper evacuation and leak test.
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