Disconnect the pad, remove the controller, machine wash gentle with cold water, then air dry flat.
I’ve cleaned dozens of bedding items, including heated pads, and I’ll walk you through exactly how to wash heated mattress pad safely and effectively. This guide covers safety checks, step-by-step washing methods, drying tips, stain removal, and long-term care. Read on to avoid damage and keep your heated mattress pad warm, clean, and working well for years.

Why clean a heated mattress pad?
A clean heated mattress pad is healthier and lasts longer. Dirt, sweat, and oils build up over time and can wear fibers and wiring. Regular cleaning keeps the pad fresh and prevents odors and allergens. Knowing how to wash heated mattress pad correctly protects its wiring and control system while restoring hygiene.

Safety first: unplug, inspect, and read the tag
Safety is the top priority when you learn how to wash heated mattress pad. Always unplug and disconnect the controller before any cleaning. Check the care label and manufacturer instructions for model-specific rules. Inspect cords, connectors, and fabric for damage; do not wash if the pad shows exposed wires or frayed seams.

What you need before you start
Prepare these simple items before you wash a heated mattress pad:
- Mild liquid detergent suitable for delicates
- Large-capacity washing machine or bathtub for hand wash
- Soft brush or sponge for spot cleaning
- Towels for blotting and supporting the pad during drying
- Flat surface with good airflow for drying
Having the right tools makes the process safer and easier. I always keep a spare towel ready to protect the pad while moving it.

Machine washing a heated mattress pad: step-by-step
Many modern heated mattress pads are machine washable, but follow these steps closely when you learn how to wash heated mattress pad in a machine:
- Unplug and detach all controllers and cords. Securely store controllers away from water.
- Inspect the pad for damage. Do not machine wash if you find exposed wires or loose seams.
- Fold the pad loosely. Avoid tight rolling or creasing that can stress wiring.
- Use a front-load or large-capacity washer on a gentle or delicate cycle.
- Add a small amount of mild liquid detergent. Do not use bleach or fabric softener.
- Wash in cold water to protect wiring and fabric.
- Run an extra rinse cycle if needed to remove detergent residue.
From my experience, using a gentle cycle and cold water prevents the internal wiring from shifting and reduces the risk of heat element damage.

Hand washing and spot cleaning
If your pad’s label says hand wash only or you want extra care, follow these steps for how to wash heated mattress pad by hand:
- Fill a bathtub or large basin with cool or lukewarm water and a small amount of mild detergent.
- Submerge the pad gently and press the water through. Avoid wringing or twisting.
- Rinse thoroughly with clean water until all soap is gone.
- For small stains, blot with a soft sponge and mild detergent. Rinse the spot well.
Hand washing gives you control and is kinder to older or delicate pads. I hand wash a vintage pad I use for guests to avoid stressing the wiring.

Drying and storage: how to dry heated mattress pad safely
Drying correctly is essential when you learn how to wash heated mattress pad. Follow these tips:
- Never put a heated mattress pad in a dryer unless the manufacturer explicitly allows it.
- Lay the pad flat on a clean towel or drying rack to air dry. Support the pad fully to avoid sagging.
- Turn the pad over occasionally for even drying.
- Make sure the pad is fully dry before reconnecting the controller or storing it. Dampness can cause mold or electrical hazards.
- Store the pad loosely rolled or flat in a cool, dry place away from heavy objects.
I let my pads dry overnight in a well-ventilated room and only reconnect after a full day to be safe.

Stain removal tips
Tackle stains quickly when you learn how to wash heated mattress pad to prevent permanent marks:
- For fresh spills, blot immediately with a clean towel to absorb moisture.
- Mix a small amount of mild detergent with water and test on an inconspicuous area first.
- Use a soft brush to gently lift stains; rinse with clean water and blot dry.
- For stubborn spots, a paste of baking soda and water can help; let sit briefly and rinse well.
Avoid strong chemical stain removers. They can damage protective coatings and wiring insulation.

Common mistakes and troubleshooting
Avoid these mistakes when learning how to wash heated mattress pad:
- Washing with controller attached. This can short the electronics.
- Using hot water or harsh bleach. Heat and strong chemicals can melt internal components.
- Wringing or twisting the pad. This can break wires or seam stitching.
- Drying in a hot dryer unless permitted. Excess heat can warp or damage heating elements.
If the pad won’t heat after cleaning, check the connectors and let a dry pad sit for a while before testing. If problems persist, contact the manufacturer or a qualified technician.

Long-term care and maintenance
Keep your heated mattress pad working long-term with simple habits:
- Clean regularly according to the care label—typically once every 2–6 months.
- Use a mattress protector under the pad to reduce soiling and extend time between washes.
- Store the pad flat or loosely rolled, never folded tightly.
- Inspect the pad periodically for wear and replace it if wiring or insulation shows damage.
A little care goes a long way. I replaced one pad years ago after catching a small seam break early, which saved me from a larger safety issue.
Frequently Asked Questions of how to wash heated mattress pad
How often should I wash my heated mattress pad?
Wash your heated mattress pad every 2–6 months, or more often if you sweat heavily or have allergies. Spot clean spills right away to reduce full washes.
Can I put a heated mattress pad in the dryer?
Only dry in a machine if the care label explicitly allows it. Most heated pads should air dry flat to protect wiring and prevent heat element damage.
Is it safe to machine wash the pad with other linens?
It’s best to wash the heated mattress pad alone or with lightweight items. Avoid heavy loads that could crease or press the pad unevenly during the cycle.
What temperature should I use to wash a heated mattress pad?
Use cold water or cool water on a gentle cycle. Hot water can damage wiring, adhesives, and fabric coatings.
My pad stopped heating after washing. What should I do?
First ensure the pad is completely dry and the connectors are clean. If it still won’t work, consult the manufacturer or a qualified repair service; do not attempt to repair exposed wiring yourself.
Conclusion
Washing a heated mattress pad safely is simple when you follow the right steps: unplug, check the care tag, use gentle wash methods, and air dry flat. Practice regular care, spot clean when needed, and respect the pad’s wiring and controls to keep it working and safe for years. Try these tips on your next cleaning, and share your experience or questions in the comments — subscribe or bookmark this guide to keep your sleep setup warm, clean, and reliable.
Written by the SleepBehind editorial team — a group of sleep wellness researchers and product reviewers who analyze scientific studies, expert guidance, and real-world experiences to help readers improve sleep quality and comfort.

