The answer to 'AC repair not cooling' is that there are several common causes, including a refrigerant leak, a problem with the compressor, a clogged air filter, or issues with the thermostat or electrical components. Symptoms may include the AC unit running but not blowing cold air, the air coming out feeling warm, or the unit cycling on and off frequently.
For minor issues like a clogged air filter, you may be able to fix it yourself with some basic troubleshooting and maintenance. However, for more complex problems like a refrigerant leak or compressor failure, it's best to call in a professional HVAC technician. They have the specialized tools and expertise to properly diagnose and repair the issue, ensuring your AC system is running efficiently and safely.