The answer to 'AC repair blowing cold air' is that the issue is likely due to a problem with the refrigerant level or compressor. If your air conditioner is blowing cold air, it could mean there is a refrigerant leak or the compressor is not functioning properly. This can cause the system to work harder and less efficiently, leading to cold air output.
Some common causes include low refrigerant levels, a malfunctioning compressor, or issues with the condenser coil. It's important to address these problems quickly to prevent further damage and ensure your AC system is running at peak efficiency.