If the air from your AC is cool but weak — it can't cool the room. Usually a clogged filter or a weak indoor fan, occasionally a duct issue in central systems.
See if any of these signs match your device — each one increases the likelihood of this fault.
These are the causes we encounter while repairing Weak AC airflow — ranked from most to least common.
Indoor air filter fully blocked
Indoor fan blade caked with dust
Fan motor weak — needs replacement
In central systems: return air filter clogged
Duct damper failed or stuck half-open
Dust-clogged evaporator restricting airflow
Any of the following = a danger signal — call now and don't try to fix it yourself.
On-site diagnosis, clear pricing before any work, and a documented 6-month warranty.