Posted on 10/31/2025
When the air inside your car starts feeling stale or weak, it’s easy to blame the weather or the A/C system. But often, the real problem is much simpler: a dirty cabin air filter. This small, often-forgotten component can make a big difference in how your heating and air conditioning system performs. A clean filter keeps airflow strong and the air you breathe fresh. Once it clogs, though, the vents can lose power, strange smells can creep in, and the defroster may take longer to clear your windshield. If your car feels stuffy or the fan seems weaker than usual, the cabin air filter might be the culprit. What Does the Cabin Air Filter Do The cabin air filter sits behind the glove box or beneath the dashboard in most vehicles. Its main job is to clean the outside air before it reaches your vents. It traps dust, pollen, mold spores, smog, and even tiny insects that would otherwise circulate inside your car. Think of it like the air filter in your home’s HV ... read more