The answer to 'why is my condenser not cooling' is that there are several common causes, including a refrigerant leak, a problem with the compressor, or a blocked airflow. The condenser is the outdoor unit that releases heat from the refrigerant, and if it's not cooling properly, it can't effectively remove heat from your home.
Some of the most common symptoms of a condenser not cooling include your home feeling warmer than usual, high energy bills, and the condenser fan running but not blowing cold air. Potential solutions include repairing refrigerant leaks, cleaning the condenser coils, or replacing a faulty compressor. However, some issues may require a professional HVAC technician to diagnose and repair.