If the AC runs but never reaches the set temperature, dirty coils, low refrigerant, or thermostat errors may be to blame

https://www.slideserve.com/katterobac/hvac-emergency-signs-that-require-immediate-attention-from-a-pro

If the AC runs but never reaches the set temperature, dirty coils, low refrigerant, or thermostat errors may be to blame. Start with a filter check and call for service.