Do air purifiers help with mildew smell?

Author: Garth Gutkowski DDS  |  Last update: Tuesday, October 28, 2025

Air purifiers might also lessen musty odors caused by mold and mildew. These devices can capture airborne mold spores and bring down humidity levels, which are essential ingredients for mold growth.

Is an air purifier or dehumidifier better for musty smell?

Understanding the Musty Odor Issue

And those organisms release various chemicals and gases as they metabolize organic materials, resulting in a 'musty' odor. So, air purifiers can definitely help, but a better, more effective way to remove that smell is to also remove the excess moisture - with a portable dehumidifier.

How do I get rid of a mildew smell?

Mix equal parts of white vinegar and water in a spray bottle. Spray the affected areas generously and let it sit for at least 30 minutes. Then, blot the area with a clean cloth or sponge. The vinegar smell will dissipate as it dries, and it will take the mildew smell with it.

What is the best air purifier for musty smell?

  • Best Overall: Blueair 211i Max Air Purifier ''
  • Best Budget: Clorox Smart Medium Room True HEPA Air Purifier ''
  • Best for Large Rooms: TruSens Large Smart Air Purifier ''
  • Best for Small Spaces: Coway Airmega AP-1512HHS Air Purifier ''
  • Best for Versatility: Alen BreatheSmart 45i Air Purifier ''

Will an air purifier help with mold symptoms?

Since air purifiers are only designed to catch particles that are suspended in the air, they will not affect the existing mold infestation. Controlling humidity levels is the key to stopping the spread of mold, Gupta said.

Do Air Purifiers Remove Odors or Get Rid of Smells? (Answered)

How long does it take for an air purifier to remove mold?

Mold Particles

In a standard-sized room, a powerful air purifier can significantly reduce mold levels within 24 to 48 hours. This time frame depends on the air purifier's clean air delivery rate (CADR), the airflow rate, the size of the room, and the air purifier.

What are the symptoms of mold exposure?

Although symptoms can vary, the most common symptoms seen in people exposed to mold indoors include:
  • Nasal and sinus congestion.
  • Eye irritation, such as itchy, red, watery eyes.
  • Wheezing and difficulty breathing.
  • Cough.
  • Throat irritation.
  • Skin irritation, such as a rash.
  • Headache.

Will an air purifier get rid of mildew smell?

Mold and Mildew

By addressing both mold spores and humidity, air purifiers not only reduce the unpleasant musty smells but also prevent further mold growth.

What absorbs musty smells?

Baking soda and vinegar are often regarded as some of the best natural cleaning ingredients given their inherent deodorizing properties. When using these ingredients to remove the smell of must, simply place a bowl of either baking soda or vinegar in the affected room overnight to absorb the musty odors.

How do you get rid of mold spores in the air?

Using Air Purifiers

Air purifiers and air cleaners are devices that remove airborne pollutants from the air in your home, including mold spores. In general, they work by drawing air into the system, which then passes through a series of filters designed to capture and remove microscopic particles from the air.

Will mildew smell go away once dry?

Mildew tends to be easier to remove since it grows on the surface. A simple pretreatment with vinegar or baking soda, followed by a thorough wash and proper drying, can usually eliminate mildew and its odor.

Can you get rid of mildew permanently?

The only effective way to permanently get rid of mould problems is by reducing the build-up of moisture in your home. This can only be achieved through better ventilation.

What happens if you smell too much mildew?

A moldy odor suggests that mold is growing in the building and should be investigated. The health effects of inhaling mVOCs are largely unknown, although exposure to mVOCs has been linked to symptoms such as headaches, nasal irritation, dizziness, fatigue, and nausea.

Should I get an air purifier or dehumidifier for mold?

If you're dealing with mold, mildew, or dust mite issues, a dehumidifier might be the better choice. However, if you're concerned about airborne particles such as pollen, pet dander, or smoke, an air purifier might be more appropriate.

Will an air purifier help with old house smell?

With mold spores a major source of mold and mildew growth, it's important to take steps to protect yourself and your family from the risk of breathing in and potentially developing long-term health problems. One of the best ways to get rid of musty smells and improve indoor air quality is with an air purifier.

Why does my room smell musty no matter how much I clean it?

As well as mould, a musty smell in the bedroom can also be caused by unclean bedding and the build-up of sweat, dust and skin particles. As we sleep, we release carbon dioxide which can become trapped in the room, producing a strong musty smell in the morning.

How do you get rid of a musty smell permanently?

How to get rid of musty smells in your home
  1. Regular ventilation. Ventilation can remove the musty air that causes a buildup of bad odours. ...
  2. Use an air purifier. ...
  3. Air fresheners. ...
  4. Baking soda. ...
  5. Eliminate moisture and keep the house dry.

How to find the source of mildew smell?

If you smell mildew, first check for visible leaks near water sources. Then search for signs of water damage such as discoloration or chipping paint which may indicate that the leak is inside a wall, ceiling, or floor. Once you find and repair the source of the leak, dry out the affected area completely.

Why does my room smell musty but no mold?

Check humidity: Musty odors can often be due to excess moisture. Use dehumidifiers to reduce humidity, especially in rooms such as the bathroom, basement or other damp areas. Cleaning: Thorough cleaning is crucial. Clean carpets, curtains, furniture and other surfaces that absorb moisture regularly.

What takes mold smell out of the air?

Improve Air Circulation and Reduce Moisture

A dehumidifier can reduce humidity levels in your home, making it less conducive to mold. Air purifiers with HEPA filters remove mold spores and other allergens from the air, improving air quality and reducing odors.

Do all air purifiers remove odor?

An air purifier and specific filters effectively eliminate harmful gases and unwanted odors from your indoor environment. A standard particle filter is not designed to remove gases and odors. For gas and odor removal, the air purifier should be equipped with a filter that includes activated carbon.

Do Hepa air purifiers remove mold spores?

Studies have shown HEPA filters remove between 99.97% to 99.99% of mold spores from the air when used properly. Any mold spores that get trapped in the filter become permanently stuck and unable to spread and grow into mold colonies.

How long does it take to get sick from living with mold?

How long does it take for mold to make you sick? That depends on the person and how much mold they've been exposed to. If you're very sensitive to mold, you may experience congestion and a cough as soon as you're exposed. Others may not notice if there's a small amount of mold.

What is the difference between mildew and mold?

Mildew has a gray, white or light brown color and generally rests flat on the surface of a moist area. It has a powdery appearance that may have a distinct, foul odor. Mold has a fuzzy, raised appearance and in unaired areas has a strong, musty smell. It often appears in darker shades of black, green and red.

How to tell if your house is toxic?

If you suspect your asthma worsens or is more severe than usual, contact your doctor or medical professional.
  1. Bad Smells In The Home. When there's a bad smell in the home, you can tell. ...
  2. Peeling Wallpaper. ...
  3. Spots On The Wall. ...
  4. Bad Allergies Won't Go Away. ...
  5. Visible Mold Growth. ...
  6. Past Water Damage.

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