How to Remove Musty Smell from Furniture: Proven Methods for Freshening Upholstered and Wooden Pieces

Upholstered furniture can absorb odors deep into foam, batting, and fabric, while wooden furniture may hold smells in joints, drawers, and unfinished surfaces.

In some cases, the odor is a sign of active mold growth, which needs more than simple deodorizing.

First, check whether the furniture is safe to clean

Before treating the smell, inspect the piece closely.

If you see fuzzy growth, dark staining, warped wood, or a strong earthy odor that returns quickly after cleaning, mildew or mold may be present.

Look under cushions, inside drawers, and along seams.
Check for damp spots, condensation marks, or water damage.
If the furniture came from a flood, basement, attic, or storage unit, odor may be deeply embedded.

For valuable antiques, veneer pieces, or family heirlooms, test any cleaning method on a hidden area first.

How to remove musty smell from furniture with ventilation and drying

The fastest low-risk step is to dry the piece thoroughly.

Moisture is the main driver of musty odor, so improving airflow can make a big difference.

Move the furniture to a dry, well-ventilated area.
Open windows and run fans to circulate air.
Use a dehumidifier if indoor humidity is high.
Remove cushions, drawers, and fabric covers when possible.

For upholstered furniture, let hidden areas dry fully before applying any odor treatments.

For wood furniture, dry both the interior and exterior surfaces, especially inside cabinets and drawers.

Use baking soda for odor absorption

Baking soda is one of the simplest ways to neutralize stale odors without harsh chemicals.

It works best on light to moderate musty smells and is especially useful on fabric surfaces.

For upholstered furniture

Vacuum the surface thoroughly first.
Sprinkle a light, even layer of baking soda over the fabric.
Let it sit for several hours or overnight.
Vacuum again using a brush attachment.

For wooden furniture and drawers

Place an open container of baking soda inside drawers or cabinets.
Leave it closed for 24 to 72 hours.
Replace the baking soda if the odor persists.

Baking soda helps absorb odor molecules, but it will not remove mold or fix the moisture source.

Try activated charcoal for deeper odor control

Activated charcoal is a strong odor absorber often used for smoke, mildew, and old-storage smells.

It is useful when baking soda is not enough.

Place charcoal pouches inside drawers, cabinets, or enclosed furniture.
Set bowls of activated charcoal near the piece for large odor problems.
Replace the charcoal according to package instructions.

This method is non-damaging for most furniture types and works well as a long-term deodorizing solution after cleaning.

Clean upholstery with the right method

When the smell is in fabric, surface deodorizing may not be enough.

The cleaning method should match the upholstery type and care label.

Vacuum first: Remove dust, pet hair, and debris from seams and creases.
Use a fabric-safe cleaner: Follow the manufacturer’s tag if the sofa or chair has a cleaning code.
Blot, don’t soak: Excess moisture can worsen the smell.
Dry completely: Use fans to speed drying after cleaning.

If the cushion covers are removable and washable, laundering them may help eliminate trapped odor.

For foam cushions, ensure they are fully dry before reassembly to prevent mildew.

How to remove musty smell from furniture with vinegar

White vinegar can help neutralize odors on some surfaces, especially wood and hard furniture parts.

Its acidic nature can also discourage mildew growth when used correctly.

Mix equal parts white vinegar and water in a spray bottle.
Lightly mist a cloth rather than spraying directly onto the furniture.
Wipe the surface gently and dry immediately.

For drawers or cabinets, wipe the interior surfaces and leave them open to air out.

Avoid using vinegar on delicate finishes, waxed wood, or surfaces that may react poorly to moisture.

Use sun and fresh air when the material allows it

Sunlight and outdoor air can help reduce musty odor in cushions, pillows, and some portable furniture components.

Ultraviolet light can help inhibit odor-causing microbes, and moving air helps remove trapped moisture.

Take removable cushions or loose parts outside on a dry day.
Place them in indirect sunlight to avoid fading or heat damage.
Bring them back inside once fully dry.

Avoid leaving furniture in intense direct sun for long periods, especially leather, veneer, painted finishes, and glued joints.

Address wood furniture and drawers separately

Wood furniture often smells musty because odors linger in enclosed spaces, raw wood, or old finishes.

Drawers and cabinets need treatment inside and out.

Remove everything from drawers and shelves.
Vacuum dust from corners, joints, and tracks.
Wipe with a lightly damp cloth and dry right away.
Leave drawers open for airflow.
Use baking soda or charcoal inside enclosed spaces.

If unfinished wood has absorbed a strong smell, odor sealing may be needed after cleaning.

A furniture-safe sealant can lock in residual odor once the surface is clean and dry.

When professional cleaning is the better choice

Some furniture needs professional attention, especially if the odor is severe or the material is sensitive.

Upholstered sectionals, antique pieces, leather furniture, and items affected by water damage often benefit from specialist cleaning.

Consider a professional upholsterer, furniture restoration expert, or mold remediation service if:

The smell returns after repeated cleaning.
There is visible mold or mildew.
The furniture was exposed to floodwater.
The piece is valuable or difficult to replace.

How to prevent musty smell from coming back

Once you know how to remove musty smell from furniture, prevention becomes the next priority.

Odors often return if humidity and airflow are not managed.

Keep indoor humidity between 30% and 50%.
Use dehumidifiers in basements, storage rooms, and damp bedrooms.
Avoid placing furniture directly against cold or moisture-prone walls.
Let drawers, cabinets, and closets open periodically for airflow.
Clean spills quickly and dry hidden areas fully.

For furniture in storage, use breathable covers instead of plastic whenever possible.

Plastic can trap moisture and make musty smells worse.

Common mistakes to avoid

Many odor treatments fail because they mask the smell instead of addressing moisture or contamination.

Do not soak upholstery with liquid cleaners.
Do not use too much perfume or air freshener; it only covers the odor.
Do not store damp furniture in sealed spaces.
Do not ignore visible mold or persistent dampness.

Removing the source is more effective than repeatedly adding fragrance or cleaner.