A musty smell from car air conditioning is caused by mold, mildew, or bacteria growing on the evaporator core inside the dashboard. The evaporator collects moisture as a byproduct of the cooling ...

Few things are as welcoming as a car’s AC on a steamy summer day. But what do you do when the air coming out of your vents smells like a sweaty sock? “What you’re probably smelling is the condensation ...