Your Heated Blanket Could Be Riskier Than You Think-What To Know
Heated blankets are a winter essential for many households, offering instant warmth and a way to stay comfortable without turning up the thermostat.
But safety experts say the way these blankets are used-and the features they lack-can make a real difference.
Fire officials, electricians and health experts consistently warn that older models and improper use remain a leading cause of burns and household fires during colder months.
Electric blankets contain internal wiring that heats when powered on, but problems often arise when that wiring is stressed, damaged or left running for long periods.
Folding or bunching a heated blanket can concentrate heat in one area, increasing the risk of overheating, while worn cords and aging insulation can quietly turn a comfort item into a fire hazard.
Experts also caution against leaving heated blankets on overnight, particularly with older models that lack modern safety controls.
Newer heated blankets, however, are designed with features intended to reduce these risks-if consumers know what to look for.
Blankets With Auto Shutoff Timers
Automatic shutoff timers are widely considered one of the most important safety upgrades in modern heated blankets.
These timers turn the blanket off after a set period, reducing the risk of overheating if someone falls asleep or forgets to unplug it.
Safety experts often recommend using heated blankets to warm a bed before getting in rather than keeping them on all night, and auto shutoff features add a layer of protection if that advice isn't followed.
Products marketed with built-in timers are now widely available from major retailers:
Multiple Heat Levels
Blankets with multiple heat levels allow users to control how much warmth is produced instead of relying on a single high-temperature option.
Electricians note that running a blanket at its highest level puts more strain on internal wiring and increases the chance of hot spots forming.
Adjustable temperature controls make it easier to use lower levels for extended comfort and are especially important for people who are sensitive to heat, including older adults and those with certain medical conditions.
Adjustable heat levels are found on many heated blankets like these:
Overheat Protection
Overheat protection systems are designed to detect unsafe temperature levels and automatically shut the blanket down if something goes wrong.
This feature can help prevent fires caused by damaged wiring, internal malfunctions or blankets that become bunched during use.
Certain brands specialize in this safety technology:
Consumer safety groups note that while overheat protection doesn't eliminate all risk, it provides a fail-safe when combined with proper use and regular inspection.
UL or ETL Safety Certification
Independent safety certifications, such as UL (Underwriters Laboratories) or ETL marks, indicate that a heated blanket has been tested to meet established electrical safety standards.
Experts recommend checking for these labels before purchasing, as uncertified products may not meet the same baseline requirements for wiring, insulation or temperature control.
These blankets meet certification requirements:
While certification doesn't guarantee a blanket will never fail, it signals that the product has undergone a third-party safety evaluation.
Even with newer safety features, experts stress that heated blankets should be inspected regularly, stored properly and replaced once they show signs of wear.
“If your electric blanket becomes damaged or stops working as it should, replace it to avoid risking a fire,” advises Martha Stewart.
Used correctly, modern models can offer warmth with fewer risks-but ignoring basic safety guidance can turn a winter comfort into an avoidable hazard.
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Newsweek
This story was originally published January 26, 2026 at 4:30 PM.