Last Updated on September 22, 2026 by Umar Farooq
Unplug the blanket at the wall first, then detach the control cord from the blanket itself. Inspect the fabric for worn or exposed wire. Wash cold on delicate with a mild detergent, no bleach and no fabric softener. Tumble on low for ten minutes at most, then air dry flat. Never dry clean it, never iron it, and never reconnect the control until the blanket is completely dry.
Two appliance manufacturers and two blanket manufacturers give that same order, for the same reason: there is a heating element woven through the textile, and water is only safe around it once the blanket is disconnected.
What is actually inside the blanket
An electric blanket is a grid of insulated resistance wire sewn between two layers of fabric, ending at a connector module that a detachable control plugs into. The wire and its insulation tolerate immersion. The connector and the control do not. That distinction explains almost every rule below, including why wringing is forbidden.
Sunbeam’s care page fixes the order: “Disconnect power cord from wall FIRST, then detach control cord from the heated product.” It then requires an inspection — “Check that cords are not connected and wires have not worn through the fabric” — and frames the procedure as a fire-risk control: “Carefully follow all washing instructions to avoid possible shrinkage and to prevent a potential fire hazard” (Sunbeam heated bedding care).
If that inspection finds frayed wire or exposed elements, the blanket does not get washed. Dreamland: “If you notice any frayed wiring, exposed elements, or visible signs of wear and tear on your electric blanket, refrain from washing it” (Dreamland). Replace it.
How to wash an electric blanket in a machine, step by step
Read the care label first. It outranks everything below, because it was written for the specific wire in your specific blanket.
- Unplug at the wall, then unclip the control. Sunbeam is explicit about which part water ruins: “DO NOT submerge control in water.”
- Inspect the blanket under good light for scorching, stiff patches, or wire pushing through the weave. Any of those means stop.
- Presoak. Sunbeam: “Presoak the blanket, mattress pad or throw for 15 minutes in mild soap and cold water.”
- Wash short and cold. Sunbeam gives an unusually specific figure — “Wash in mild soap and cold water on the ‘delicate’ or ‘gentle’ cycle in the washer for two minutes.” Two minutes, not a full cycle.
- Load it loosely. Whirlpool: “It’s best not to ball up the blanket as this can create an unbalanced load” (Whirlpool).
- No bleach, no softener, no stain remover. Maytag names all three.
- Rinse cold, then dry on low. Details below.
If the care symbols are pictures rather than words, laundry symbols decodes them. A heated blanket is also one of the few items where a small drum is genuinely the limiting factor — the capacity question behind how full a washer should be.
Where the manufacturers disagree, and who to follow
On spin. Sunbeam says spin: “Spin dry in the washing machine. Then, gently shape to its original size.” Dreamland says wash “at a max temperature of 30 °C on a wool programme, without using an extra spin cycle.”
On temperature. Sunbeam says cold, twice. Whirlpool and Maytag both describe a gentle cycle “on a low-speed spin in cool to warm water to preserve the inner wiring.” Warm is the appliance maker’s word, not the blanket maker’s.
The position this site takes: where the appliance brand and the blanket brand disagree, follow the blanket brand. Whirlpool and Maytag are writing one page to cover every heated blanket ever made; Sunbeam is writing about the wire it specified. That is why “cold, two minutes” beats “cool to warm.”
On the exclusion they agree. Maytag: “Unless the care label on your electric blanket recommends dry cleaning, don’t dry clean it. The solvents used in the dry cleaning process can be harsh and may damage the inner wiring” (Maytag). Sunbeam makes it flat: “DO NOT dry clean your heated bedding product as dry cleaning solvents may damage the wires.”
What the drum does to a soaked blanket
A dry heated blanket is light. A wet one is a single saturated mass, the worst possible shape for a spin cycle. It slumps to one side, the machine detects the imbalance, redistributes, fails, and either extends the cycle or stops. On a Samsung that surfaces as UE or Ub; the condition underneath is identical on every brand. Whirlpool’s fix is the standard one: “add in other blankets or towels to even it out.”
Do not answer the imbalance with a faster spin. Low spin here is a wiring instruction, not a fabric one, and spin speed is the setting a heavy-duty cycle raises without being asked.
Drying, and the one rule with no exceptions
Sunbeam’s dryer procedure is tighter than any appliance brand publishes, and carries a caution most people ignore: “Do not use commercial dryers or the dryers at your local Laundromat as they get too hot and can damage the wiring of your heated product.” Preheat your own dryer on low for two minutes, tumble ten minutes, then remove the blanket while still damp, shape it, and drape it over a line or shower rod. No clothespins — a pin concentrates load on one small area of the wire grid.
Then the rule that is absolute across all four sources: the blanket must be completely dry before the control goes back on. Sunbeam capitalises it.
FAQ
Can you put an electric blanket in the washing machine?
Most modern ones, yes, if the care label allows it and the blanket is undamaged. Detach the control first, wash cold on delicate, keep the spin low.
Can you dry clean an electric blanket?
No. Maytag and Sunbeam both say the solvents can damage the internal wiring, and Sunbeam states it as a flat prohibition rather than a caution.
Can you put a heated blanket in the dryer?
On low, briefly. Sunbeam specifies ten minutes at low, removed while still damp, then air dried. It also warns against laundromat and commercial dryers because they run too hot.
Can you iron an electric blanket?
No. Sunbeam lists ironing among its prohibitions and Maytag gives it the same treatment as bleach. Heat and pressure on a wire grid is the wrong combination.
How often should you wash an electric blanket?
Maytag suggests once or twice a month in heavy use. Dreamland says every two to four weeks. Both alternate dryer use with air drying to spare the wiring.
Can you use a duvet cover on top of a heated blanket?
Whirlpool and Maytag both advise against it. An extra layer may stop the blanket regulating properly — a safety issue, not a cleaning one.
The wiring decides everything
Detach, inspect, cold, short, low, completely dry. If the fabric shows worn or exposed wire at the inspection step, the answer is not a gentler cycle — it is a new blanket. And when the appliance maker and the blanket maker give different numbers, the blanket maker wrote theirs about your wire.
