Check the ducts in the basement or attic for leaks while the blower is on.
Mold smell in air vents.
Does your car smell bad when you turn on the heating or air conditioning.
You can see the same principle at work when you drink an icy beverage and water beads up on the outside of the glass.
If so it might be time to clean the air vents in your vehicle.
In many cases you ll smell it before you can see it.
Solve the odor problem by eliminating it at the source.
Common causes of black mold in air vents mold in air ducts most commonly occurs when there is moisture inside the ductwork.
If air is leaking out it also means that moisture is leaking in and forming mold within the ducts.
If you notice a musty or moldy smell that goes away when you are not using your air conditioning or heating if they share ducts that can narrow the cause down to mold in your hvac system.
The source of the smelly malady is mold a single cell organism that grows in the dark and wet environment in your car s air conditioning system.
Black mold has a distinctive unpleasant musty smell.
An unusual or musty odor is often the first sign of mold in air ducts or in air vents.
As cool air flows through the vents on hot days the moisture in the air can condense inside the air vent.
After awhile moisture mildew mold spores bacteria and other odor causing things can become quite a nuisance to both the driver and passengers.