Saturday, May 4, 2024

House Smells Musty But No mold? 7 Main Reasons Explained

why does my house smell musty

While a musty smell in a home is more often than not a symptom of mold and mildew, sometimes a musty smell is the result of a lack of ventilation and a build up of dust and grime. A common source of musty smells in homes are carpets and rugs that are either old, or have not been properly cleaned. It is easy to think that running the vacuum over them every few days is enough to keep them fresh, but it is no substitute for occasionally deep cleaning a carpet.

How to Prevent Mildew Older

“These can mask odors temporarily and contribute to indoor air pollution,” she says. The easiest way to remove moisture is to use a dehumidifier. These devices pull moisture out of the air and condense it into a removable tank that you can remove and empty. In some cases, you can route a drain hose to a floor or sink drain, removing the need to empty the tank. You can remove mold from damp drywall, concrete, and wood, but soaked drywall or insulation is easier to remove than repair. If the trash can itself picks up a musty odor, I treat with a surface odor remover.

why does my house smell musty

Who is responsible for removing mould in a rental property?

Just make sure it's excellent, and there's adequate ventilation or airflow to make sure it dries properly. A musty smell can be really offensive and left to its own devices, the problem will likely only get worse, rather than go away on its own. After cleaning areas with mold or mildew, see what you can do to prevent future moisture problems.

Mold and mildew

Clean drip pans regularly – especially if you'd had any spills in the refrigerator. See Best Odor Eliminators for Refrigerators for more detailed fridge care. (See Preparedness Storage for more bulk storage information.) We tried keeping an area rug in the basement for a time, but found it was prone to cause mildew under the rug. To share feedback or ask a question about this article, send a note to our Reviews Team at Clean the drain pan, which is located under the evaporator coil.

Dirty air filters, mold or mildew in the unit, or an underlying issue with one of the components could be the culprit. Call an HVAC technician to evaluate your unit or look into it yourself. Let the baking soda sit for at least an hour before vacuuming it up, and it’ll help neutralize odors. You can even combine baking soda and vinegar in a spray bottle and spritz the mixture to remove musty smells. The first step to getting rid of musty smells in your basement is identifying where they’re coming from.

Clean your air conditioner at least every year to prevent a musty smell. You can also clean it at the start of every season by cleaning the components and changing the air filters. If you feel uncomfortable cleaning your HVAC unit on your own, call a trained professional. Stachybotrys chartarum is a hazardous mold that produces poisonous mycotoxins that can cause respiratory problems and allergic reactions.

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How to Get Rid of Musty Smells

Even if you don’t have mold, ventilation should help move the air and remove any musty smells. If you've ever smelled decaying wood or wet, musty towels left in a pile after a long weekend, you've smelled the stale, earthy odor of mold and mildew. A leaky pipe or roof can also cause the buildup of humidity and moisture that results in this offensive smell. Moisture and still air lingering in dark crevices around your home create a welcoming environment for the growth of mold and mildew. When the spores begin to multiply, they emit gasses that our noses can detect. Carpeting and upholstery can trap odors and continue to smell musty long after a basement is clean and dry.

Make sure the filters you use fit your unit correctly and never cram in a filter that’s too large. It’s best practice to clean your AC coils at least once yearly, but some experts recommend twice yearly. An AC unit is a breeding ground for mold and mildew growth. Air conditioners and ductwork provide dark spaces where mold can grow, along with organic material such as dust and debris. This environment allows mold and mildew to thrive with the addition of condensation from cooling coils. Sometimes mould and damp refuse to go away even after you’ve followed all the advice in the book.

If you’re going to go to the effort to replace old carpeting or paint the walls, protect your investment by following the proper steps. Before installing new carpeting, check the subfloor for stains that might be contributing to odor and replace or seal it with oil-based paint if necessary. For walls in high moisture areas like the bathroom, use a mold-resistant primer before you paint. If you’re successfully able to isolate the mildewed area, that means you can spot-treat it without going through the effort of cleaning the whole room. However, if you’ve searched high and low but cannot find any obvious mildew growth, cover all your bases by giving the entire space a once-over. Many manufactured homes use building products containing formaldehyde, including walls and flooring.

An HVAC system can smell musty when you turn it on due to mold or mildew, a dirty air filter, or some other issue with the internal components. If you notice a musty smell, address it immediately by inspecting the system or calling a licensed HVAC technician. If your air conditioner has a musty smell, you can perform a few troubleshooting steps. A dirty air filter can often cause an unpleasant odor to come from an HVAC unit. Mold or mildew, which is common in most air conditioning units, can also cause a foul smell to circulate.

Scrubbing the walls and floors isn’t necessarily going to cut it, though. It’s not uncommon for the smell of mildew to emanate from fabrics, such as towels, and from other personal belongings (e.g., sneakers). After rinsing it off, run it through the washer as you would a normal load of laundry. Among household odors, mildew undoubtedly ranks among the worst.

It's easy to clean up, but something I know I need to watch. Chiana has been at Homes & Gardens for two years, having started her journey in interior journalism as part of the graduate program. She also has a first-class degree in Literature from Lancaster University. ‘You should vacuum and use cleaning sprays once a week to keep them clean. Every three months, you should then think about hiring a carpet cleaning machine to avoid soaking and damaging the carpet,’ says Ivan Ivanov of End of Tenancy Cleaning. Luckily, there are plenty of cleaning tips that can help you stay on top of household cleaning without too much effort.

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