- This includes information about checking refrigerant levels, cleaning coils and filters, and inspecting ductwork. 3. **What are the common signs that indicate my air conditioning system needs servicing or repairs?

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4 hours, 4 minutes ago in Air Conditioning installation and maintenance

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- This includes information about checking refrigerant levels, cleaning coils and filters, and inspecting ductwork. 3. **What are the common signs that indicate my air conditioning system needs servicing or repairs?