Problem
One room in the house stays warm even though the AC is running and cooling other areas.
Possible Causes
Closed or blocked air vent
Dirty air filter
Ductwork blockage
Poor airflow from the HVAC system
How To Fix It
Check that the vent in the room is open
Replace the air filter
Make sure furniture is not blocking vents
Inspect visible ductwork for damage
When To Call A Professional
If one room continues to stay warm, an HVAC technician may need to inspect the ductwork or airflow balance.
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