13 Sneaky Home Hazards Hiding in Plain Sight (and How to Fix Them)

Neglected HVAC Filters

It probably feels like just yesterday that you swapped out the old filter for a new one, but air filters have a way of getting dirty fast. “When HVAC or air filters aren’t cleaned or replaced frequently, they get clogged with dust and debris,” explains Justin Olewack, founder and owner at BOLT Builders. “This can lead to restricting airflow and overworking your HVAC system,” he says. Not only does this affect the air quality circulating throughout your home, but you also face the risk of your motor overheating, which could be an eventual fire hazard.

Moreover, according to the president of Mr. Handyman, Ron Shimek, the decreased air quality caused by dirty vents can cause mold and allergy problems. The fix? “Change them routinely and get your system serviced annually to ensure smooth operations,” says Shimek.

Unsecured Rugs

A common hidden hazard in the home is unsecured rugs. “Even a small throw rug that lacks a non-slip backing can become a genuine tripping hazard,” warns Kotylar, “particularly for seniors or children running around the home.” 

To keep your rugs in place and maintain your family’s safety, position non-slip pads under the rugs or use double-sided rug tape to secure them to the floor. For larger rugs, Kotylar recommends tucking the corners under furniture for a simple and effective fix.

Loose Stairs and Railings

“Wobbly or loose handrails are an overlooked danger,” notes design contractor Eric Kotylar. “They might not be a concern until someone tries to steady themselves using one and it gives way, causing a fall.”

Check the railings and steps regularly and repair as needed. “Tightening the screws, replacing rusted brackets, or even putting in a heavier-duty rail can make the stairs much safer,” advises Kotylar, "especially in multi-story homes.”

Compromised Electrical Cords

“Worn cords can lead to possible fire due to sparks,” warns Shimek. And that's not all to be wary of: cords lying across walkways or rugs present a tripping hazard. 

Shimek’s solution is simple: Exchange the torn or worn cords for new ones. Then route your cords safely along walls and behind furniture, so that they are out of the way of foot traffic.

Blocked Air Vents

Olewack warns against blocking vents with furniture, clutter, or wall art, as this can restrict airflow and overwork your HVAC system. “This means inefficient heating and cooling, higher bills, and building up moisture that can damage your walls and floors,” he says. 

To protect your home and HVAC unit itself from this hazard, Kotylar recommends keeping a foot of clearance around every vent and vacuuming them regularly to keep the air flowing well.

Overloaded Outlets

Especially in the age of electronics and smart devices, overloaded outlets are far too common. “Plugging in multiple high-wattage appliances in a single outlet increases the risk of overheating and electrical fires,” warns Kotylar.

Entertainment centers, bedrooms, and kitchens alike all tend to have overcrowded outlets, especially when there are a lot of people in the home. To prevent this dangerous scenario, Kotylar advises homeowners to use good-quality surge protectors and to distribute the load across multiple outlets. “In older homes with few outlets, it can be a good investment to hire an electrician to fit extra outlets as a safety measure,” he adds.

Hidden Water Leaks

Water damage is no joke—and the leaks that cause it are all too often hidden. “Sometimes it takes a bit to notice, but leaks under or behind cabinets, dishwashers, washing machines, refrigerators, or other appliances can cause mold, rot, and in the worst case scenario, structural damage,” says Olewack, who recommends regularly checking for dampness and examining behind and under appliances for hidden leaks.

Expired Fire Extinguishers

Every home needs an up-to-date working fire extinguisher to meet safety protocols. The problem is, most people tend to buy a new fire extinguisher when they first move in and never inspect or replace it.

“I suggest checking extinguishers at least annually and replacing or refilling them accordingly,” says Kotylar. He recommends keeping one in the kitchen—charged and ready to go—and another one near high-hazard areas (like the garage) for optimum fire safety.

Non-Functional Smoke or Carbon Monoxide Detectors

Like fire extinguishers, smoke and carbon monoxide detectors are not a "set it and forget it" safety tool. “If smoke or carbon monoxide detectors are missing or not working properly, you may not receive a warning of danger in a timely manner because there are not alarms on every floor, or [because] the batteries are dead,” says Shimek.

It’s essential to check your smoke and carbon monoxide detectors regularly. “Make sure your detectors work and be sure to replace old units once a month,” says Shimek. (You might want to invest in a stepladder.)

Gaps Around Doors and Windows

“The seals around doors and windows won’t last forever,” cautions Olewack. “When they crack or separate it can lead to drafts in the house and a higher electricity bill.” On a rainy day, they can also lead to water seepage, which can damage floors, paint, and drywall. 

Check for drafts around your doors and windows regularly. If air movement is detected, seal the gaps with weather stripping or caulk to reduce any energy waste or damage to your home from the elements.

Clogged Dryer Vents

“Even if you clean out the lint trap [with] every load, some lint can still get to the dryer vents,” explains Olewack. “This can lead to buildup in the vents and cause major fire hazards,” he says.

Olewack recommends cleaning the dryer vents every six months. This can be done with a vent cleaning brush. If you’re not sure where the dryer vent is located, check your manual or call a professional and schedule a visit.

Dark or Blocked Pathways

Keep your home's pathways well-lit and clear. “At night, it is easy to trip on pathways or at entry points where the lighting levels are poor,” says Shimek. Additionally, stray shoes, toys, and tennis balls left out for the dog can accumulate in hallways or around staircases, posing tripping hazards.

“In the case of emergencies, they can [also] slow down quick exits,” warns Kotylar. Consider adding bright outside lighting and motion-sensor lamps, and make sure to consistently tidy up any areas where you anticipate foot traffic. “Clear pathways and ample lighting can go a long way in avoiding falls,” says Kotylar.

Worn-Out Caulk and Cracked Grout

Caulk and grout in the kitchen and bathroom tiles does not last forever. In fact, if you snooze on maintaining your caulk and grout, you could end up with mold or leaks between the tub or countertops according to Olewack.

Olewack recommends inspecting any caulk or grout frequently, and re-caulking or grouting as needed. (Of course, don’t hesitate to call in the professionals.)