- This covers pre-installation steps, such as assessing electrical capacity, ensuring proper ventilation, and removing obstacles. 3. **What is the expected lifespan of a typical air conditioning unit, and how can regular maintenance extend it?

- This covers pre-installation steps, such as assessing electrical capacity, ensuring proper ventilation, and removing obstacles. 3. **What is the expected lifespan of a typical air conditioning unit, and how can regular maintenance extend it?
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