The cost of air conditioner repair varies widely based on the specific issue, the type of air conditioner, the cost of replacement parts, and labor rates in your area. Minor repairs, like replacing a faulty thermostat or capacitor, might range from $100 to $300. More significant issues, such as repairing a refrigerant leak or replacing a compressor, can be considerably more expensive, with costs ranging from $500 to over $2,000. Extremely complex repairs, or those requiring extensive labor or high-cost parts, can exceed these estimates. Always consider obtaining multiple quotes to ensure you're receiving a fair price for the repair work.