At minimum, your AC should be serviced once a year, ideally in the spring before heavy use. For better performance and fewer issues, twice a year—spring and fall—is recommended.
Regular maintenance helps:
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Keep coils and filters clean
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Catch small issues early
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Extend system lifespan
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Improve energy efficiency
Factors like system age, usage, and environment can affect how often you need service. A professional HVAC tech can help set the right schedule for your setup.