Is there carbon monoxide in electric heaters?

Author: Camren Boyle  |  Last update: Monday, January 5, 2026

While electric space heaters do not produce carbon monoxide (CO), non-electric space heaters (propane gas, natural gas, kerosene, wood) can if incomplete combustion occurs. If these types of heaters are in use, it is recommended that a working CO detector be used to indicate the presence of high-level CO gas.

Can electric heaters give off carbon monoxide?

No, electric room heaters do not produce carbon monoxide, making them a safer option for indoor heating. How can I ensure my heater is safe to use? Regular maintenance, checking for gas leaks, and installing carbon monoxide detectors will help ensure your heater's safety.

Do I need a carbon monoxide detector with electric heat?

Carbon monoxide alarms are not required in homes that do not have any of these risk factors, such as a home or apartment with all-electric heating and appliances and without an attached garage.

Can you have a carbon monoxide leak with electric heat?

No they cant. Carbon monoxide is produced by burning something like wood or gas, the chemical reactions involved with burning can produce carbon monoxide. Nothing is burnt by an electric heater so they cant produce carbon monoxide.

Is it safe to use an electric heater in a closed room?

Don't leave the heater unattended for long

Always remember to switch off and unplug the appliance before leaving the room or going to bed. Prolonged usage of heaters in closed rooms can be dangerous as it can create carbon monoxide poisoning which can cause headache, dizziness, nausea and weakness.

Do Electric Space Heater Produce Carbon Monoxide

Is it unhealthy to use an electric heater to heat your bedroom?

The U.S. Consumer Product Safety Commission estimates that more than 1,700 residential fires every year are associated with the use of space heaters, resulting in more than 80 deaths and 160 injuries nationally.

Is it safe to sleep with an electric heater on all night?

If a space heater falls over or becomes too hot from running for too long of a period of time, that can lead to a fast-moving fire that occurs while you are asleep and cannot act fast enough. We do not recommend using space heaters at all because of this risk, but you definitely should not use them at night.

Can electric heaters cause health problems?

Room heaters can cause dryness in the air, which can result in dry skin, dry eyes, and dry throat. This can further lead to respiratory issues, nasal congestion, and increased susceptibility to infections.

How do I know if my heater is producing carbon monoxide?

According to the CDC, carbon monoxide is a silent killer that takes hundreds of lives per year. Unfortunately, you cannot tell just by looking at your furnace whether it is leaking carbon monoxide. You need a carbon monoxide detector or other special equipment to test the levels yourself.

Can you have carbon monoxide in your house if everything's electric?

Even if your home is all electric, it's still recommended that you install carbon monoxide detectors, as CO can seep inside the home from an attached garage or from outside. Texas updated its building codes in 2021 to require all homes built in or after 2022 to install carbon monoxide detectors.

Do baseboard heaters emit carbon monoxide?

However, these heaters don't release carbon monoxide, which is a major plus. The Maintenance: Baseboard heaters can add one more task to your chores list because they need regular vacuuming. If you let dust build up over time, it can make the heater work harder, using more energy than needed.

Which of the following is an early symptom of carbon monoxide exposure?

Symptoms. The most common symptoms of CO poisoning are headache, dizziness, weakness, upset stomach, vomiting, chest pain, and confusion. CO symptoms are often described as “flu-like.” If you breathe in a lot of CO, it can make you pass out or kill you.

What causes carbon monoxide in an all-electric home?

How can carbon monoxide build up in a home? The most common causes of carbon monoxide building up are incorrectly installed or poorly maintained or ventilated appliances – like stoves and hot water heaters. Poorly ventilated fireplaces and other gas- or wood-burning appliances can also pose danger.

Are electric heaters safe?

Electric space heaters can be used safely, but they are not the safest option for staying warm when the temperature drops. According to the National Fire Protection Association (NFPA), space heaters account for 43% of home heating fires and 85% of home heating deaths. They can also be a hazard in the workplace.

What are the disadvantages of electric heat?

The disadvantages of electric heating encompass slower heating times and higher energy bills over time. For instance, an electric furnace can take a significant amount of time to power the included heating element and adequately warm the air within a home.

Do electric heaters need ventilation?

There's no combustion process involved, and therefore, no need to vent any exhaust gases. Electric water heaters are self-contained units that need to be connected to a power source, making the installation process more straightforward and eliminating the need for complex venting systems.

Do electric heaters produce carbon monoxide?

Appliances that run on electricity do not produce carbon monoxide. CO can build up indoors and poison people and animals.

How long does it take for carbon monoxide to build up in a house?

Small carbon monoxide leaks can fill every room in your house with poisonous gas within eight hours. Severe leaks can cause this problem in just five minutes. The EPA states that exposure to concentrations of nine ppm or more for eight hours is enough to produce harmful health effects for at-risk individuals.

How can I tell if there is carbon monoxide in the air?

The best way to alert you and your family to unsafe levels of CO is to install a carbon monoxide detector. It works like a smoke alarm, sampling the air in your home and creating a loud alarm when levels of the gas are detected. It's important to evacuate your home immediately when your CO alarm sounds.

Is it bad to breathe in an electric heater?

Carbon Monoxide Poisoning

A common misconception is that only fuel-burning heaters pose a risk of carbon monoxide (CO) poisoning. However, improper ventilation of electrical space heaters can also lead to dangerous CO levels.

Are electric heaters safer than gas?

Electric heaters are considered safer than gas furnaces because they do not produce carbon monoxide or involve open flames. Electric heaters are also available in various sizes and types, making them versatile for various heating needs.

What is the safest heater to leave on all night?

What is the safest heater to leave on overnight? While it's not recommended to leave any space heater on if you're not monitoring it, oil-filled, radiant space heaters are considered safer than ceramic convection (hot air) types, according to Roberson. Both of these options are safer than open-coil heaters.

How long can I leave an electric heater on?

Recommended Usage Times. During the Day: It's generally safe to run your space heater for 6 to 8 hours during the day while you're home and active.

Does a blower produce carbon monoxide?

Dr. Yawar Shoaib Ali Associate Director of neuro & spine surgery Sarvodaya Hospital says, the use of such heat generators e.g., Blower, heater reduces the level of essential oxygen and increases the level of carbon monoxide.

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