How to Wash an Electric Blanket | Safe Cleaning Steps

An electric blanket collects dust, skin cells, and the occasional spill over a winter of use. Most owners never wash them, worried about destroying the internal wiring or ruining the heating elements. The truth is that many electric blankets can be washed safely — you just have to follow the right method and accept that not every blanket is machine-washable. Here is what actually works, from the manufacturer care pages down to the practical household steps.

Before You Wash: The Two-Minute Safety Check

Every electric blanket has a sewn-in care label. The first step is reading it. If the label says “do not wash” or “surface clean only,” do not submerge the blanket — spot-clean it with a damp cloth and mild soap instead. If the label says machine-washable, or if the manufacturer’s care page (like the ones Sunbeam and Dreamland publish) confirms it, then you can proceed. The absolute rule: controllers, cords, and plugs must be disconnected and removed before the blanket touches water. Never submerge any electrical component — that is the single most common reason a heated blanket stops working after washing.

If you are shopping for a new blanket that is easier to clean, our tested roundup of queen-size electric blankets includes several machine-washable models that pass the care-label check.

Machine-Washing an Electric Blanket: The Exact Steps

The safest machine-wash method comes from Sunbeam’s care guidelines: presoak the blanket for 15 minutes in cold water and mild soap before washing. This loosens built-up oils and dirt without the agitation of a long cycle. Use cold or lukewarm water only — hot water can damage the heating wires’ insulation. Set the washer to the delicate or gentle cycle, and if your machine lets you skip the extra spin, do so. High spin speeds can stress the wiring. Wash the blanket alone, and never use bleach. Fabric softener is also out; it leaves a residue that can coat the internal elements.

Dreamland UK’s care page adds that if your machine has a Wool programme, that cycle is ideal because it uses lower agitation and reduced spin — use it with a maximum temperature of 30°C (about 85°F). Keep the total wash time short; the goal is a light cleaning, not a deep-buried stain removal. Two to four minutes of gentle wash is enough.

Hand-Washing Option When You Want More Control

Hand-washing lets you monitor the blanket’s condition throughout. Fill a tub or basin with cold or lukewarm water and a gentle detergent. Submerge the blanket and let it soak for 15 minutes, per Sunbeam’s guidance. Gently press and swish the water through the fabric — do not scrub or rub, which can shift the wiring inside. Drain the soapy water and refill with clean cold water, repeating until no suds remain.

Here is the critical step that beginners get wrong: never wring, twist, or ring out the blanket. The internal wires are fragile when wet, and twisting can snap them permanently. Instead, lift the blanket out of the water and gently press the excess moisture out with your palms. Lay it flat on a thick towel, roll the towel up to absorb more water, then move the blanket to a drying rack.

Drying: The Step That Determines Whether It Still Works

The electric blanket must be completely dry before you reconnect the controller. Any trapped moisture inside the fabric can short-circuit the heating elements. Sunbeam and Dreamland both emphasize air-drying — lay the blanket flat on a drying rack or line-dry it, keeping clothespins away from any visible wiring paths. Do not hang it by the cord. Tumble-drying is only safe if the care label says so, and even then use the lowest heat or an air-only setting. Never reconnect a damp blanket. Depending on thickness and humidity, full air-drying can take 24 to 36 hours — wait the full time.

A clean, well-maintained electric blanket lasts longer and heats more evenly. The biggest mistake people make is skipping the label check or washing on hot with high spin. Follow these steps, and your blanket comes out fresh, intact, and ready for another season of use.