Problem
The AC system appears to be running but little or no air comes from the vents.
Possible Causes
Blower motor failure
Blocked air filter
Closed vents
Ductwork blockage
How To Fix It
Replace the air filter
Open all vents in the house
Check thermostat fan settings
Restart the HVAC system
When To Call A Professional
If airflow does not return, the blower motor or duct system may need professional inspection.