- Understanding the maintenance routine can help prolong the system's lifecycle and efficiency. This could include filter replacement, coil cleaning, and checking refrigerant levels. 4. **How can I improve the energy efficiency of my air conditioning s

- Understanding the maintenance routine can help prolong the system's lifecycle and efficiency. This could include filter replacement, coil cleaning, and checking refrigerant levels. 4. **How can I improve the energy efficiency of my air conditioning system to reduce my utility bills?
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