- This might involve checking thermostat settings, ensuring proper power supply, and examining the condition of the filters and vents. 5. **What are the benefits of scheduling regular professional maintenance, and how often should it be done?

- This might involve checking thermostat settings, ensuring proper power supply, and examining the condition of the filters and vents. 5. **What are the benefits of scheduling regular professional maintenance, and how often should it be done?
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