Yes. Fuel-burning space heaters can cause dangerous carbon monoxide (CO) buildup, but electric space heaters do not.
Do Space Heaters Give Off Toxic Fumes? Space heaters that use kerosene or gas as a fuel give off carbon monoxide. This type of space heater is generally not recommended for indoor use.
Common signs of a carbon monoxide leak include:
Fire safety experts and the U.S. Consumer Product Safety Commission (CPSC) strongly advise against leaving a space heater running while you sleep. Unattended heaters pose a severe fire risk.
The greatest sources of CO to outdoor air are cars, trucks and other vehicles or machinery that burn fossil fuels. A variety of items in your home such as unvented kerosene and gas space heaters, leaking chimneys and furnaces, and gas stoves also release CO and can affect air quality indoors.
It is also a good idea to know the signs of a potential CO problem:
Because carbon monoxide (CO) is a colorless, tasteless, and odorless gas, it is impossible to detect with human senses. The only reliable way to know if it is in your air is by using a certified Carbon Monoxide Detector.
For bedroom use, the safest space heaters are oil-filled radiators and modern ceramic heaters equipped with automatic tip-over shutoff and overheat protection. These options stay cooler to the touch, don't ignite nearby objects easily, and will not dry out your room overnight.
Never Leave Unattended: Do not leave the space heater unattended while it is operating overnight. It is important to be present and aware of any potential hazards that may arise. Always turn off the heater before leaving the room or going to sleep.
Unfortunately, they can pose significant fire and electric shock hazards if not used properly. Fire and electrical hazards can be caused by space heaters without adequate safety features, space heaters placed near combustibles, or space heaters that are improperly plugged in.
No, standard smartphones do not have built-in hardware to detect carbon monoxide (CO). Because CO is an invisible, odorless gas, you cannot use your phone's camera, microphone, or processor to sense it.
How long does it take to get carbon monoxide poisoning? In high concentrations of carbon monoxide, it can take fewer than five minutes to get carbon monoxide poisoning. Under lower concentrations, it can take an hour to two hours to cause poisoning.
Symptoms of Carbon Monoxide Poisoning
Low levels of CO poisoning can be confused with flu symptoms, food poisoning or other illnesses and can have a long-term health risk if left uncorrected.
Keep space heaters at least 3 feet away from flammable items and objects, such as papers or curtains. Avoid leaving a space heater unattended for long periods of time, especially around children and pets. Place space heaters on low, flat surfaces – preferably on the floor.
Signs of a Carbon Monoxide Leak in Your Furnace
Overusing the heater or using an oversized heater can result in elevated levels of carbon monoxide or nitrogen dioxide fumes in the air. These fumes can cause cold or flu-like symptoms, headaches, and eye, nose and throat irritation.
The Risk of Space Heater Fires
One third of fires in the home are caused by space heaters.
It is not safe to run a space heater overnight. If you use an electric or propane space heater during the day, make sure to protect yourself and your home by following all safety practices. Use space heaters that automatically turn off if they tip over.
Portable Space Heaters Can pose a serious fire risk if left unattended. Always make sure to turn them off when leaving the room or going to sleep. Following these safety tips can help prevent winter fires and keep your home safe and warm.
It's not recommended to leave any space heater on if you're not monitoring it. But if you must, oil-filled, radiant space heaters are considered safer than ceramic convection (hot air) types, according to Roberson.
Consumer Reports tests space heaters primarily on room heating ability, spot heating, and strict fire and safety criteria, such as overheat protection and tipping tests. Highly rated models often cost around $75 to $100 and feature auto-climate control and tip-over shut-offs.
The baseboard heaters or electric boilers in your home aren't giving off carbon monoxide or carbon dioxide or any other emissions, but there's far more to consider than what's going on in your home.
Two common warning signs of carbon monoxide (CO) poisoning are dizziness and a dull, throbbing headache.
No, smartphones cannot directly detect carbon monoxide (CO) on their own because they lack the necessary specialized chemical sensors. However, you can use your phone to receive alerts from dedicated smart detectors or use third-party, phone-connected sensors to monitor CO levels.
Yes, opening windows and doors helps dilute carbon monoxide (CO) by letting fresh air in. However, ventilation is only a temporary measure. If your CO alarm is sounding or you suspect a leak, the priority is to shut off the source, evacuate, and call 911.