Changing your HVAC system’s air filter is both the simplest and most effective action you can take to improve efficiency and extend your equipment’s life span. But how do you know if you’re installing the right kind of filter? Learn how MERV ratings work to help you choose the best air filter to increase efficiency and extend the life of the system.

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Tags: air filter efficiency, airflow, California, Fresno, HEPA, high efficiency air filter, merv ratings
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