Tools That May Help
Before calling a professional, these common tools may help you check the issue safely.
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Problem
Your HVAC system makes noise only when the cooling mode is active.
Common Symptoms
- Weak airflow from vents
- System running constantly
- Uneven indoor temperatures
- Higher energy bills
Possible Causes
- Condenser issue
- Fan problem
- Refrigerant flow noise
How To Fix It
- Inspect outdoor unit
- Check fan blades
- Listen for source of noise
Safety Tip
Always shut off power to the HVAC system before inspecting wiring or internal components.
When To Call A Professional
If noise worsens or affects cooling performance
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