- Regular maintenance is key to extending the life of your AC unit and maintaining efficiency. This question can help you understand the recommended frequency of professional check-ups and what tasks you might need to perform yourself, like changing fil

- Regular maintenance is key to extending the life of your AC unit and maintaining efficiency. This question can help you understand the recommended frequency of professional check-ups and what tasks you might need to perform yourself, like changing filters and cleaning evaporator coils. 3. **What are the most common signs that my air conditioning system needs repairs or a possible replacement?
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