House Smells Like Attic Air

The musty smell that you may be smelling inside of your home is an odor that is often described as having a stale moldy or damp odor and usually impaired by mold or mildew.

House smells like attic air.

This usually signals mold or mildew which could become a big problem for both your home and your health if not quickly remedied. Arguably one of the most common types of attic odors is mold. Gable vent in end of outside wall high up in peak end. Use a digital hygrometer to check the relative humidity of each room in the house you can find these for less than 10 online or at home improvement stores.

What in the world could it be. Call the spray foam manufacturer. Here s what to do. That s bad news because your ac is most likely distributing mold and or mildew spores throughout your home.

If you allow moisture to accumulate in your attic even in the form of excess humidity you re almost certain to experience mold. If your indoor hvac unit is inside your spray foamed attic that means you ve got ductwork up. Microbial volatile organic compounds mvoc are stinky gasses produced by attic mold. It the attic air is sucked into the house you should expect the house to smell like the bathroom.

This odor takes time to develop inside of a home and is usually caused by dampness and moisture that is present within the environment. Moisture feeds mold and mildew growth. If you do not have any of these your attic gets really hot and. They explain that when an animal dies in the attic it s common for the smell to permeate the whole house.

The first spots to check are the roof and attic but rain can seep into basements and crawlspaces too. Yep sometimes animals live in your walls or fall down in them and get stuck and. Also ridge vent is popular in homes with new roof less than 10 years old. Every time your ac comes on the air leaving your vents stinks with a musty odor.

This step is optional but you may want to pursue it anyway. If your house smells musty after a rain and it s a significant difference rain is probably going where it shouldn t. Seal your leaky ducts. Create a custom ventilation.

One should then have a duct pressure test and a door blaster test to properly address ventilation issues.