Why is refrigerant change and airflow important?
A system refrigerant check-up is a recommended service that should be performed when the equipment is first installed and during annual system check-ups. A refrigerant charge should be conducted if the system check indicates that one is needed.

Once the system has been properly charged with refrigerant and has good airflow across the indoor coil, and assuming there is no damage to the duct system, only basic service such as changing filters and cleaning the outdoor unit annually should be needed to maintain the system operation at peak performance levels.

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1. What is SEER?
2. Why is replacing old equipment important?
3. Why is duct testing important?
4. Why is refrigerant change and airflow important?