- This question addresses the frequency of maintenance checks, which usually include cleaning filters, checking refrigerant levels, inspecting electrical components, and ensuring optimal performance. 4. **What are some common issues that may arise with

- This question addresses the frequency of maintenance checks, which usually include cleaning filters, checking refrigerant levels, inspecting electrical components, and ensuring optimal performance. 4. **What are some common issues that may arise with air conditioning units, and how can they be prevented or fixed?
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