- Understanding the maintenance schedule and tasks, such as cleaning coils, changing filters, and checking refrigerant levels, is crucial for prolonging the lifespan of the unit. 3. **What are some common installation issues that can impact the perform

- Understanding the maintenance schedule and tasks, such as cleaning coils, changing filters, and checking refrigerant levels, is crucial for prolonging the lifespan of the unit. 3. **What are some common installation issues that can impact the performance of a new air conditioning system, and how can they be avoided?
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