AC Not Cooling? Step-by-Step Troubleshooting Guide – Dallas HVAC Parts

If your air conditioner is running but your home is not cooling properly, do not panic.

Before calling for expensive service, there are several simple checks you can perform safely. Follow this quick troubleshooting guide to identify common AC issues before spending money.

    • Make sure it is set to Cool

    • Check the temperature setting

    • Replace batteries if needed

    • A clogged filter restricts airflow

    • Replace if dirty

    • Check filter size before purchasing

    • Remove leaves and dirt

    • Ensure 2 feet of clearance around the unit

    • Do not spray with high pressure

    • If the system hums but does not start, the capacitor may be weak or failed.

    • If the outdoor unit does not turn on at all, check the breaker and disconnect.

Call Before You Replace Parts

Why Homeowners Trust Dallas HVAC Parts in Garland

Dallas HVAC Parts helps homeowners diagnose issues before spending money. Bring your old part and we will help confirm compatibility so you avoid buying the wrong component.

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