How do I permanently get rid of the musty smell in my basement?

Author: Anastasia Kihn  |  Last update: Wednesday, December 31, 2025

Get ready to restore fresh air to your space.
  1. Identify the Source of the Musty Smell. ...
  2. Use Air Purifiers. ...
  3. Improve Basement Ventilation. ...
  4. Clean and Disinfect the Basement. ...
  5. Seal Basements Against Water Leaks. ...
  6. Use Dehumidifiers to Reduce Moisture. ...
  7. Address Mold and Mildew Issues. ...
  8. Employ Natural Odor Absorbers.

What takes the musty smell out of a basement?

Opening windows, using fans, or installing a dehumidifier can help improve ventilation and reduce the smell. Water leaks and flooding. Water leaks from pipes, plumbing fixtures, or foundation cracks can introduce moisture into the basement, leading to mold growth and a musty smell.

What absorbs bad smells in the basement?

Tackle the Smell

Place bowls of baking soda around the basement. The baking soda will begin to absorb the odors and should make a significant difference over the course of a few days.

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.

Why is my basement dry but still smells musty but no?

Has the basement had a deep and thorough cleaning? Dust can retain a lot of odor, and responds significantly to humidity and temperature changes. If you have a forced air heating system, filters and ducting in the basement also could be loaded. A dehumidifier can help, but air changes would also be a big benefit.

How to Get Rid of a Musty Smell in Your Basement - Real Simple

How to find the source of musty smell?

How to find the source of musty smells
  1. Look under all of your sinks for leaks or water build-up that may have caused mold or mildew growth and scrub these areas with mild bleach or vinegar solutions. ...
  2. Examine your showers for mold or mildew. ...
  3. Clean your garbage disposal and scrub your dishwasher filter.

Do air purifiers get rid of musty basement smell?

Definitely. A basement air purifier can not only be a basement odor eliminator, it can trap allergens and other particles at their source, before they spread throughout the house, keeping your air fresher and reducing moldy basement health risks no matter what room you are in.

What is the best musty odor eliminator?

11 Best Odor Eliminators of 2024, Tested and Reviewed by Cleaning Experts
  • Best Overall. Clorox Disinfecting Mist. Read more.
  • Best Value. Febreze Odor-Fighting Air Freshener. Read more.
  • Best for Bathroom Odors. Poo-Pourri Before-You-Go Toilet Spray. Read more.

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.

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.

Does DampRid work in basements?

DampRid moisture absorbers attract and trap excess moisture to eliminate musty odors and prevent moisture damage in: basements. closets. laundry rooms.

Will a dehumidifier get rid of musty smell?

Dehumidifiers are typically used in areas with high humidity, such as basements or bathrooms, to prevent mold growth and musty odors.

How do you get the smell out of a concrete basement?

Absorb Musty Basement Smells with Baking Soda

Baking soda is a great way to naturally deodorize your basement. Set bowls of baking soda in the corners of your basement. It absorbs musty odors and can maintain absorbency for up to three months.

Can I use an ozone machine in the basement?

MaxBlaster ozone generators offer an effective solution for improving air quality in basements and crawl spaces. By eliminating odors, controlling mold and mildew, reducing allergens, and enhancing overall air quality, our ozone machines contribute to a healthier indoor environment.

What is the best air freshener for a musty basement?

Additionally, essential oils have antimicrobial properties, which help eliminate bacteria and fungi that may contribute to musty smells. Popular choices for basement air fresheners include lavender, lemon, peppermint, and eucalyptus oils.

How to get rid of mildew in basement?

Mix 1 cup bleach with 2 cups water and 1 tablespoon of dish soap. Dip a sponge in the solution (remembering to wear gloves), then wipe on the moldy area. Toss the sponge when finished, then allow the area to dry. To remove mold from unfinished drywall, your best bet is to remove the affected patch of drywall entirely.

Is there a machine that removes basement smell?

Ozone generators permanently remove odors from basements, crawl spaces, and attics. The OdorFree ozone generator is an excellent basement, crawl space, and attic odor eliminator. Ozone goes directly to the source and will oxidize away the stale and unpleasant odors often found in damp environments.

How to get rid of musty basement smell?

A musty smell in basement areas signals the need for better air circulation. Add ceiling or box fans, open doors and windows where you can, and use your home's furnace to help move air and capture mold spores in its filters. Just be sure to change furnace filters based on the manufacturer's recommendations.

What is the best dehumidifier for a basement?

Our Top Picks
  • Best Overall: Whynter Energy Star Portable Dehumidifier with Pump at Amazon $315. ...
  • Best Value: Black+Decker BDT50WTB 50-Pint 2-Speed Dehumidifier at Amazon $330. ...
  • Best for Large Basements: Homelabs Dehumidifier with Pump at Amazon $320. ...
  • Best for Small Basements: ...
  • Best Smart: ...
  • Best Quiet:

What is the hardest smell to get rid of?

Some of the hardest and worst smells to get rid of are pet odours, mold, and cigarette smells.

What is a homemade musty odor eliminator?

How to make an odor removal solution: Mix equal parts of white vinegar and water in a spray bottle. Use this solution to wipe down surfaces or spray into the air to neutralize odors. The vinegar smell dissipates quickly, taking unwanted odors with it.

Can a house smell musty without mold?

Humidity in the air is often the cause of mold, but it can also cause a strong smell even if no mold has formed. Dehumidifiers fix this issue, as does proper ventilation. However, in colder months especially, it may not be feasible to vent the entire house.

How to ventilate a musty basement?

How to Ventilate a Basement
  1. Installing New Basement Windows. The right windows provide natural ventilation. ...
  2. Install a Forced Air System. ...
  3. Add Egress Windows. ...
  4. Ensure Proper Sealing and Insulation. ...
  5. Invest in an Air Purifier.

Will a dehumidifier get rid of musty smell in basement?

If the basement has a musty or damp smell, it might be helpful to try getting a dehumidifier. You can also air out the room by opening the windows if your basement has any. To prevent water leaks, make sure that the basement is waterproofed. Even a small leak can lead to a lot of moisture on the basement floors.

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