Is My AC Blower Working Properly?

[BACK]
Is My AC Blower Working Properly?

To determine if your air conditioning (AC) blower is working properly, you can check for several signs and symptoms:

1. Airflow:

   
   
   • Check if there is consistent and strong airflow coming out of your vents. Weak or no airflow might indicate a blower problem.

2. Noise:

   
   
   • Listen for unusual noises such as rattling, humming, or grinding. These could suggest issues with the blower motor or fan.

3. Cooling Effectiveness:

   
   
   • If your AC is running but your home isn't cooling down as expected, the blower might not be effectively distributing the cooled air.

4. Blower Speed:

   
   
   • Check if the blower speeds (low, medium, high) are working properly. If you notice that the blower speed isn't changing when you adjust it, there might be a problem.

5. Thermostat Settings:

   
   
   • Ensure the thermostat is set to “cool” and the fan is set to “auto” or “on.” If the blower doesn't operate under these settings, there might be an issue.

6. Blower Motor:

   
   
   • Check if the blower motor is running. You can usually hear it operating if you stand near the air handler or furnace.

7. Filter Condition:

   
   
   • A dirty air filter can restrict airflow and make it seem like the blower isn't working properly. Check and replace the air filter if necessary.

8. Circuit Breaker:

   
   
   • Verify that the circuit breaker for the AC unit hasn't tripped. A tripped breaker can prevent the blower from operating.

If after these checks you suspect that the AC blower isn't working correctly, it may require further inspection by a professional HVAC technician. They can diagnose and fix issues related to the blower motor, fan, control board, and other components.