Problem
Air blows strongly from vents but the air is not cold.
Possible Causes
Low refrigerant
Dirty evaporator coil
Thermostat malfunction
Compressor issue
How To Fix It
Replace the air filter
Verify thermostat is set to cooling mode
Check that the outdoor unit is running
Allow the system to run for several minutes to monitor temperature
When To Call A Professional
If strong airflow continues but air is warm, the system may need refrigerant service or compressor inspection.