Posted on 2/28/2025
Your car’s air conditioning should keep you comfortable, not make you cringe every time you turn it on. If a bad smell is coming from the vents, it’s more than just a nuisance—it’s a sign that something isn’t right. Whether it’s a musty odor, a chemical scent, or something downright foul, these smells often point to underlying issues that won’t go away on their own. So, what’s causing that unpleasant odor, and how can you get rid of it for good? Musty or Moldy Smell A damp, musty odor is one of the most common A/C smells, and it’s usually caused by mold or mildew buildup in the system. Moisture can accumulate in the evaporator core or air ducts, creating the perfect environment for bacteria and mold growth. How to Fix It: Turn off the A/C but leave the fan running for a few minutes before shutting off the car. This helps dry out excess moisture. Replace the cabin air filter, as old or clogged f ... read more