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 an issue with the thermostat. Symptoms may include warm air blowing from the vents, the AC running constantly, or the unit not turning on at all. Solutions can range from simple DIY fixes like replacing the air filter to more complex repairs that require a professional HVAC technician.
If your AC is not cooling your home effectively, the first step is to check the air filter and replace it if it's dirty. You should also ensure that the outdoor unit is free of debris and that the thermostat is set correctly. If these basic troubleshooting steps don't resolve the issue, it's best to call a licensed HVAC technician to diagnose and repair the problem. They have the expertise and equipment to properly identify and fix more complex issues, such as a refrigerant leak or a problem with the compressor.