- Signs may include unusual noises, poor airflow, inconsistent temperatures, increased energy bills, or frequent breakdowns. 4. **What permits or regulations should I be aware of when installing a new air conditioning unit in my home?

- Signs may include unusual noises, poor airflow, inconsistent temperatures, increased energy bills, or frequent breakdowns. 4. **What permits or regulations should I be aware of when installing a new air conditioning unit in my home?
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