Replacing your filters often, or noticing lots of debris on the filter, can be a sign of issues with other components. If you feel you replace your filters more often it could be time to schedule repairs. Filters are a critical component of airflow for AC systems. Debris build-up and other filter woes could mean it's time to call a technician, not to mention nobody enjoys hopping in the car and making several trips to the store for a new filter! Rather than purchasing another replacement, consider giving bhild a call to identify the issue. We work fast and are committed to providing a high quality of service at a value you love.