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8 Reasons Why Your A/C Isn't Cooling Properly

a newly installed Goodman condensing unit

There could be several reasons why your A/C isn't cooling properly. Here are some common issues to consider:

1. Thermostat Settings: Make sure the thermostat is set to "cool" and the temperature is set lower than the current room temperature.

2. Power Supply: Check if the HVAC system is receiving power. Ensure that the circuit breaker or fuse for the HVAC unit is not tripped or blown.

3. Air Filter: A dirty or clogged air filter can restrict airflow and reduce cooling efficiency. Check and replace the air filter if necessary.

4. Refrigerant Leak: Low refrigerant levels due to a leak can result in insufficient cooling. A licensed HVAC technician can check for leaks and recharge the system if needed.

5. Condenser Unit Issues: The outdoor condenser unit may be obstructed by debris, such as leaves or grass, inhibiting airflow. Clean the area around the unit and ensure there are no blockages.

6. Faulty Compressor or Fan: If the compressor or fan in the outdoor unit is not functioning properly, it can lead to inadequate cooling. An HVAC technician should inspect and repair any faulty components.

7. Ductwork Problems: Leaky or improperly insulated ductwork can result in cooled air escaping before it reaches the living space. Inspect the ductwork for leaks or damage and seal or repair as necessary.

8. System Age or Maintenance: If your HVAC system is old or has not received regular maintenance, it may struggle to cool effectively. Consider scheduling a professional tune-up to ensure optimal performance.

It's worth noting that HVAC systems are complex, and some issues may require professional assistance to diagnose and fix. If you're unsure or unable to identify the problem, it's recommended to contact a qualified HVAC technician for further evaluation and repair.


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