The answer to 'condenser blowing hot air' is that the most common causes are a refrigerant leak, a malfunctioning compressor, or a blocked or dirty condenser coil. Symptoms include the condenser fan running but the air coming out being hot, and the system not cooling the home effectively. Solutions may include repairing refrigerant leaks, replacing the compressor, or cleaning the condenser coil.
For most homeowners, repairing refrigerant leaks or cleaning the condenser coil are DIY-friendly tasks. However, replacing the compressor or diagnosing more complex issues should be handled by a professional HVAC technician to ensure the system is repaired properly and safely.