The Quick Answer
Yes, most heated blankets can be safely washed at home using cool water and gentle detergent. Always disconnect the power cords first, wash on delicate cycle, and air dry completely to preserve the heating elements and maintain that cozy feel.
Why This Matters
Many homeowners discover their beloved heated blanket has developed an odd smell or lost its softness after just one winter season. Others avoid washing their heated blankets altogether, fearing they'll damage the electrical components. The result? Blankets that feel stiff, smell musty, or worse—stop heating properly. Learning the right washing technique means your heated blanket will stay fresh, cozy, and functional for years. Plus, proper care protects your investment since quality heated blankets typically cost between $60-200.
Pre-Wash Preparation and Safety Checks
Before any water touches your heated blanket, you need to disconnect all electrical components. Unplug the power cord and carefully remove the controller. Most modern blankets have detachable cords that simply pull out, but older models might require gentle wiggling.
Next, inspect your blanket for damage. Run your hands along the entire surface, feeling for any lumps, bumps, or areas where the internal wiring feels loose. Check the cord connection points for fraying or burn marks. If you find any damage, stop here—damaged heated blankets shouldn't be washed and may need replacement.
💡 Pro Tip: Take a photo of how your controller connects before removing it. This saves frustration when reconnecting after washing, especially with blankets that have multiple heat zones.
Finally, check your blanket's care label. While most heated blankets are machine washable, some older or luxury models require hand washing or professional cleaning. The label will also specify maximum water temperature, usually around 40°F (4°C).
Choosing the Right Washing Method
Your washing machine's size matters more than you might think. Heated blankets need room to move freely during the wash cycle. If your blanket bunches up or can't circulate properly, the heating wires could get damaged from excessive agitation.
What Actually Works
When selecting a new heated blanket, quality matters for washability. The Sunbeam Royal Ultra Fleece Heated Blanket features reinforced wire connections, machine-washable fabric, and clear care instructions that make home washing simple and safe.
For washing detergent, skip the fabric softener completely. It coats the heating elements and can interfere with heat distribution. Instead, use a gentle, enzyme-free detergent in smaller quantities than you'd normally use—about half the recommended amount works best.
Water temperature is crucial. Always use cold water, regardless of what your regular blanket care routine involves. Hot water can damage the protective coating around heating wires and cause them to short circuit. Cold water cleans effectively while protecting the internal components.
"I was nervous about washing my heated blanket for the first time, but following the cold water rule made all the difference. It came out just as soft and heated perfectly the first night back in use."
- Sarah from Colorado
Step-by-Step Washing Instructions
Start by setting your washing machine to the delicate or gentle cycle. This reduces agitation that could stress the internal wiring. Add your gentle detergent to the water before placing the blanket inside—this ensures even distribution without concentrated detergent touching the fabric directly.
What Actually Works
For the gentlest clean possible, try Eucalan No Rinse Delicate Wash Lavender. This wool-safe formula cleans effectively in cold water, requires no harsh rinsing cycle, and adds a pleasant scent without leaving residue on heating elements.
Place your blanket in the machine loosely folded, not wadded up. Let it settle naturally into the water. If you're using a top-loading machine, consider stopping the cycle after the wash portion and skipping to drain—this eliminates the harsh agitation of the spin cycle.
The entire wash should take 15-20 minutes maximum. Longer exposure to water increases the risk of moisture seeping into electrical components. If your blanket seems extra soiled, run a second gentle cycle rather than extending the first one.
💡 Pro Tip: Add a clean tennis ball to the wash cycle. It helps prevent the blanket from clumping and ensures better water circulation around the heating elements.
Drying Your Heated Blanket Properly
Never put your heated blanket in the dryer, even on low heat. The tumbling action can damage internal wires, and any heat can warp the protective coating around electrical components. Air drying is your only safe option.
Start by gently pressing out excess water—don't wring or twist the blanket. Lay it flat on a large surface like a clean bed or multiple towels. If possible, position it near a fan or open window to improve air circulation. Proper positioning prevents water from pooling in one area, which could cause mold or mildew.
Flip your blanket every 4-6 hours during the drying process. This ensures both sides dry evenly and prevents that musty smell that comes from trapped moisture. Total drying time ranges from 24-48 hours depending on humidity and air circulation.
"The hardest part was waiting for my blanket to dry completely. I was tempted to use it after 24 hours, but waiting the full 48 hours meant no dampness and perfect heating when I plugged it back in."
- Mike from Texas
Test for complete dryness by checking the cord connection areas and any seams where moisture might hide. The blanket should feel completely dry to the touch with no cool spots that might indicate trapped water.
Long-Term Care and Storage Tips
Proper storage between seasons keeps your heated blanket in perfect condition. Never fold it along the same lines repeatedly, as this can stress the internal wiring. Instead, loosely roll it or fold it differently each time you put it away.
What Actually Works
Protect your investment with proper storage. The Whitmor Zippered Blanket Storage Bag with breathable fabric prevents moisture buildup while keeping dust and pests away, ensuring your heated blanket emerges fresh and ready to use next season.
Store your blanket in a cool, dry place away from direct sunlight. Attics and basements can have temperature extremes and humidity that damage electrical components over time. A bedroom closet or under-bed storage works much better.
Before storing, ensure the blanket is completely clean and dry. Any residual moisture or oils can attract pests or cause mildew during months of storage. Consider washing it one final time at season's end, following the same gentle process outlined above.
When you're ready to use your blanket again, inspect it thoroughly before the first use. Check for any signs of pest damage, loose connections, or unusual odors. Test it on the lowest heat setting for 10-15 minutes before using it normally.
Mistakes to Avoid
- Using fabric softener: It coats heating elements and reduces effectiveness while potentially causing overheating.
- Machine drying: The tumbling action and heat can permanently damage internal wiring and void your warranty.
- Washing with cords attached: Water in electrical connections can cause shorts, fires, or complete blanket failure.
Bringing It All Together
Washing your heated blanket safely isn't complicated—it just requires patience and the right approach. Follow these steps and your blanket will maintain its cozy warmth for many winters to come.
Start by checking your blanket's care label, then gather your supplies for a gentle wash. Remember: cold water, gentle cycle, and patience during air drying are your keys to success.
