The answer to 'how to fix AC repair' is to first identify the problem, then take the appropriate steps to repair it. This may involve cleaning or replacing air filters, checking and repairing refrigerant leaks, or addressing electrical issues. It's important to follow safety precautions and turn off power to the unit before attempting any repairs.
For more complex issues or if you're not comfortable working on the AC system, it's best to call a licensed HVAC technician. They have the expertise and tools to properly diagnose and fix the problem, ensuring your AC unit is running efficiently and safely.