From air fryers to heated blankets, modern gadgets promise convenience, efficiency, and a dash of luxury. But as our homes become increasingly wired and reliant on electronic devices, safety regulators and insurance companies are sounding the alarm on a concerning trend: some of today’s most popular home gadgets are being linked to house fires.
While most of these products are perfectly legal to buy and own, problems arise from overuse, improper charging, manufacturing defects, or simply not following the fine print in user manuals. The Consumer Product Safety Commission (CPSC) and fire departments nationwide have reported a steady increase in home fires related to devices that, until recently, were considered harmless.
Here are six widely used home gadgets that are now considered fire hazards, and what you need to know to protect your household.
1. Lithium Battery-Powered Devices
From smart vacuum cleaners and e-bikes to handheld tools and rechargeable flashlights, lithium-ion batteries are everywhere. Their compact power has revolutionized tech, but it comes with a fiery downside. When damaged, overcharged, or exposed to heat, these batteries can explode or ignite with little warning.
According to the National Fire Protection Association (NFPA), fires caused by lithium-ion batteries have increased significantly, especially in urban homes and apartment buildings. Faulty or off-brand chargers only make things worse.
To minimize risk, avoid charging batteries overnight or on flammable surfaces, don’t use damaged cables, and stick with original manufacturer accessories. Even one spark from an overworked lithium battery can cause catastrophic damage.
2. Smart Plug Adapters and Multi-Port Extenders
Smart plugs and power extenders make it easy to automate appliances, charge multiple devices, and control electronics via voice or app. But these convenience gadgets are being flagged for misuse and overheating, especially when used with high-wattage items like space heaters, coffee makers, or microwaves.
Overloaded circuits, poor ventilation, and cheap manufacturing can all lead to internal failures that spark fires. If your smart plug feels hot to the touch or constantly resets, it could be an early warning sign of danger.
Fire departments recommend using these only with low-wattage electronics like lamps or fans, and never plugging one extender into another (a practice called “daisy chaining”). Unfortunately, many homes are doing exactly that, without realizing the fire risk.
3. Air Fryers and Countertop Ovens
Air fryers have taken over American kitchens, offering a healthier alternative to deep frying and faster cooking times. But with their surge in popularity has come a surge in recalls, overheating issues, and in some cases, house fires.
Major brands like Instant Pot and Cosori have recalled hundreds of thousands of units due to internal wiring defects, melting components, and unexpected smoke emissions. The fire risk increases when these devices are left unattended, used on unstable surfaces, or operated next to flammable materials like curtains or paper towels.
The CPSC advises always placing these appliances on heat-resistant surfaces, keeping them away from walls or overhead cabinets, and never leaving them running while you’re out of the room, even for a minute.
4. Electric Blankets and Heated Mattress Pads
A staple in colder climates, electric blankets and mattress warmers provide cozy comfort on winter nights, but they’re also one of the leading culprits in bedroom fires. The danger increases with age; frayed wires, cracked controllers, and worn heating elements are all recipes for electrical sparks.
These products are especially risky when used by older adults who may fall asleep with them on or forget to turn them off. Even newer models can overheat if bunched up, folded, or layered with heavy bedding.
To stay safe, never use an electric blanket with visible wear, always unplug it when not in use, and don’t allow pets to sleep on heated bedding. They can puncture the wires. Fire safety experts recommend replacing these products every 5 to 7 years, no matter how well they seem to work.
5. Space Heaters
It’s no surprise that space heaters are on this list. They’ve long been known as a top cause of winter home fires. But what’s alarming is how many households continue to use them incorrectly or ignore basic safety guidelines.
Modern space heaters often come with tip-over sensors and automatic shut-offs, but that doesn’t make them foolproof. Units placed too close to furniture, curtains, or bedding can ignite materials in seconds. And plugging them into extension cords—still a common practice—is a fast track to electrical overload.
Even newer “smart” models can’t guarantee safety if misused. Fire marshals recommend placing space heaters at least 3 feet away from anything flammable, plugging them directly into wall outlets, and never leaving them unattended, especially around pets or children.
6. USB-Powered Heated Clothing and Blankets
A newer entry into the fire hazard category, USB-powered heated scarves, vests, blankets, and seat cushions are growing in popularity, especially among seniors and those with poor circulation. But these gadgets often rely on power banks or continuous USB charging, two major fire risks when quality is compromised.
Many of these products are manufactured overseas with little oversight, and they may not meet U.S. safety standards. Fires can result from faulty heating coils, substandard wiring, or overheating batteries tucked into pockets or sleeves.
They may feel like cozy solutions for drafty homes or winter walks, but when left plugged in too long or folded while hot, these gadgets can pose significant dangers. If you use them, opt for UL-listed products, inspect cables regularly, and avoid sleeping while they’re in use.
Fire Risks Are Closer Than You Think
Most people assume fire hazards come from old wiring or carelessly lit candles. But as this list shows, many of today’s biggest risks come from the devices we use daily. Sometimes right on our kitchen counters, nightstands, or laps.
What makes this trend particularly alarming is that these gadgets are often marketed as safe, cutting-edge, and even energy-efficient. Consumers rarely think to check for recalls, look for safety certifications, or question the placement and usage of their favorite home tech.
The cumulative effect of overloading outlets, leaving devices charging overnight, or running unattended gadgets is a slow-building risk that only reveals itself when something goes wrong. And by then, it may be too late.
Keep Your Smart Home From Going Up in Flames
As homes grow more tech-savvy, it’s critical to match that innovation with smart safety habits. That means regularly checking for recalls, using manufacturer-approved chargers and cords, replacing old appliances, and never ignoring signs of wear or overheating.
Most importantly, rethink how you use these gadgets day to day. Are they being charged on flammable surfaces? Left on when you’re away? Used in ways the manufacturer never intended? A small change in habit could be the difference between cozy comfort and a five-alarm fire.
Have you spotted any of these fire risks in your home? Or experienced a gadget malfunction firsthand?
Read More:
What Should I Do If My Property Has Been Damaged by Fire?
Stop the Silent Drain: 10 Everyday Gadgets Costing You $200 a Year in Electricity
Riley Jones is an Arizona native with over nine years of writing experience. From personal finance to travel to digital marketing to pop culture, she’s written about everything under the sun. When she’s not writing, she’s spending her time outside, reading, or cuddling with her two corgis.
