- Discovering early warning signs like unusual noises, decreased airflow, or poor cooling performance can help prevent major breakdowns and inform decisions about repairs or new installations. 5. **What should I do to improve the energy efficiency of m

- Discovering early warning signs like unusual noises, decreased airflow, or poor cooling performance can help prevent major breakdowns and inform decisions about repairs or new installations. 5. **What should I do to improve the energy efficiency of my existing air conditioning system?
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