- Regular maintenance is crucial for keeping an AC system running efficiently and prolonging its lifespan. This question will help you learn about maintenance frequency and tasks such as changing filters, cleaning coils, and checking refrigerant levels.

- Regular maintenance is crucial for keeping an AC system running efficiently and prolonging its lifespan. This question will help you learn about maintenance frequency and tasks such as changing filters, cleaning coils, and checking refrigerant levels. 4. **What are some signs that my air conditioning system requires repairs or might need to be replaced entirely?
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