Can You Steam Clean a Mattress?
Steam introduces both heat and moisture. That combination may be acceptable for some mattress constructions but can be inappropriate for foam or brand-specific materials. A universal yes or no would therefore be misleading.
Depends. Do not steam clean a mattress unless the manufacturer for your exact model allows it. Purple says some innerspring or hybrid mattresses may be steam cleaned but not memory-foam, latex, adjustable or Purple mattresses; Casper tells owners not to steam-clean its mattresses.
depends
The answer
Steam cleaning is suitable only when the mattress manufacturer and construction allow it. Do not use a steamer as a default mattress-cleaning method.
Why
Purple distinguishes by construction, saying innerspring or hybrid mattresses may be steam cleaned while memory-foam, latex, adjustable and Purple mattresses should not be. Casper separately advises owners not to soak or steam-clean Casper mattresses. These manufacturer differences make the care label and model instructions the deciding authority.
When it is usually OK
- Your mattress manufacturer explicitly permits steam cleaning.
- The mattress construction is one the manufacturer says can tolerate steam.
- You can follow the required drying instructions and avoid saturating the mattress.
When you should not
- The care instructions say not to steam clean the mattress.
- The mattress is memory foam, latex or an adjustable design for which the cited manufacturer guidance advises against steam.
- The mattress manufacturer warns against added moisture, saturation or heat.
- You cannot dry the mattress completely after treatment.
Risks and exceptions
- Heat and moisture can damage mattress materials that are not designed for steam cleaning.
- Added moisture can contribute to odor, mold or mildew problems when a mattress is saturated or not dried fully.
- Generic steam-cleaning advice can conflict with the care instructions for the exact mattress construction.
Best practice
Find the care instructions for the exact mattress model before using steam. If steam is not explicitly allowed, vacuum the surface and use the manufacturer-approved spot-cleaning method instead.
Alternatives
- Vacuuming with an upholstery attachment
- Manufacturer-approved spot cleaning with a small amount of suitable cleaner
- Cleaning a removable washable cover according to its care label
- Using a mattress protector to reduce future staining
Frequently asked questions
Can you steam clean a memory foam mattress?
Not as a general rule. Purple advises against steam cleaning memory-foam mattresses, and other brands may also restrict added heat and moisture.
Can you steam clean a hybrid mattress?
Some guidance allows steam cleaning certain hybrid mattresses, but the exact model instructions still control.
How do I know whether my mattress can be steamed?
Check the manufacturer care page, sewn care label or owner documentation for your exact model.
Sources
- How To Clean a Mattress in 9 Steps + Tips To Keep It Fresh — PurpleOfficial
- How Long Does a Casper Mattress Last? — CasperOfficial
- How do I clean my mattress? — SertaOfficial
Written by Mapiance Editorial Team
The Mapiance Editorial Team researches, writes, reviews, and maintains practical guides and explainers for MAPIANCE.
Reviewed by Mapiance Editorial Team
Published Sep 29, 2026 · Updated Sep 29, 2026 · Verified Sep 26, 2026