
Can a fireplace give off carbon monoxide?
Your gas fireplace will produce trace amounts of carbon monoxide. However, if your fireplace has been properly installed and periodically maintained by a Chimney Safety Institute of America (CSIA) certified technician, carbon monoxide will be vented out of your home. If you own a ventless gas fireplace, your oxygen-detection sensor should protect you from carbon monoxide building up in your fireplace.
What are the hazards of carbon monoxide?
- Teratogenicity / Embryotoxicity: DEVELOPMENTAL HAZARD. May harm the unborn child. Has been associated with: low birth weight or size, learning disabilities, miscarriage.
- Reproductive Toxicity: Not known to be a reproductive hazard.
- Mutagenicity: Not known to be a mutagen. Conclusions cannot be drawn from the limited studies available.
Do ventless gas fireplaces give off carbon monoxide?
Yes. Ventless gas fireplaces can produce carbon monoxide in low amounts. However, such a gas can be dangerous in high doses. Carbon monoxide poisoning is a major drawback associated with ventless gas fireplaces. Such fireplaces release carbon monoxide and nitrous gases as by-products of combustion.
Do fireplaces release CO2?
The direct answer to the question above is: yes. Your gas, pellet or wood burning stove, insert or fireplace will produce carbon monoxide. All heating appliances should be vented to the outside. This is why it’s always a good idea to have any heating equipment checked by a professional prior to the heating season.

Can you get carbon monoxide poisoning from a wood burning stove?
The simple answer is yes, you can get carbon monoxide from a wood-burning stove. However, carbon monoxide poisoning is also possible with additional fuels such as gas, oil, solid minerals and biomass. Not just wood-burning and multifuel stoves.
Do you have to worry about carbon monoxide with a wood stove?
Carbon monoxide is a concern with any appliance where combustion is present especially wood burning stoves so installing carbon monoxide detectors throughout your home is highly recommended. When installing carbon monoxide detectors in accordance with your wood stove, proper placement is crucial.
How do you prevent carbon monoxide from a wood burning stove?
Keep all fuel burning appliances and engines vented properly, including: space heaters, grills, furnaces, water heaters, wood stoves and fireplaces, generators and engines. Be sure to open the damper on your wood fireplace every time you use it. Operate all space heaters in a well-ventilated area.
How do I know if my wood stove is safe?
Be sure your stove is made of sturdy, suitable material, such as cast iron or steel. Look for stoves listed by Underwriters Laboratories (UL) or other recognized testing laboratories. If you purchase a used stove, check it carefully for cracks or other defects.
How long does it take to get carbon monoxide poisoning?
If the carbon monoxide concentration in the air is much higher, signs of poisoning may occur within 1-2 hours. A very high carbon monoxide concentration can even kill an exposed individual within 5 minutes.
Can you get carbon monoxide poisoning from an open wood fire?
Heating and cooking appliances fuelled by coal, smokeless fuels, wood, oil and gas can cause carbon monoxide poisoning if they are poorly installed, incorrectly used or if they are not properly and regularly maintained.
Can carbon monoxide come from a chimney?
Most people are aware of the dangers of gas appliances, but it usually comes as a surprise that fireplaces and chimneys are sources of carbon monoxide poisoning, also. That's right chimneys can push carbon monoxide back inside the home!
How to prevent carbon monoxide poisoning?
Use quality fuel. Various types of fuel in different environments do have the potential to induce carbon monoxide poisoning. It is therefore vital that you use the best fuel for your wood-burning/multifuel stove and ensure it is dried to the perfect level (no more than 20% moisture).
Is there a need to be vigilant with wood burning stoves?
There is still a need to be vigilant and not just with those using wood-burning/multifuel stoves. The good news, installations by a qualified fitter, regular maintenance and the use of quality fuel will ensure your safety.
Is carbon monoxide a silent killer?
Carbon monoxide is not known as the “silent killer” for nothing. It is an extremely dangerous gas which is odourless, colourless and tasteless. Those who persist in cutting corners with regards to stove installations, quality of fuel and regular maintenance may potentially put themselves at risk. Over the last 20 years the authorities have tightened regulations regarding stoves with carbon monoxide alarms now a legal obligation with every installation. However, this has not stopped a small minority from cutting corners and cutting costs.
Is carbon monoxide poisoning a gas?
Those who have looked into carbon monoxide poisoning will be well aware this is an odourless, colourless and tasteless gas. In many ways these characteristics are unique making it extremely dangerous.
Can a HETAS fitter install a stove?
In practice many people choose to use a HETAS approved fitter who can install your stove without additional paperwork. Initially, this is the best way to protect you from faulty/badly installed stoves.
Can you get carbon monoxide from a wood burning stove?
The simple answer is yes, you can get carbon monoxide from a wood-burning stove. However, carbon monoxide poisoning is also possible with additional fuels such as gas, oil, solid minerals and biomass. Not just wood-burning and multifuel stoves.
Do you need a carbon monoxide alarm on a wood stove?
Carbon monoxide alarms. For many years now carbon monoxide alarms have been deemed a legal requirement with the installation of any wood-burning/multifuel stove. This ensures that in the event of fault or damage to your stove, any carbon monoxide leaks will be detected and an alarm sound.
Do Pellet Stoves Produce Carbon Monoxide?
Pellet stoves are a form of solid fuel residential heating appliance and commonly burn wood as the fuel in the form of wood pellets.
Can You Get Carbon Monoxide Poisoning From A Pellet Stove?
There is a very low risk of carbon monoxide poisoning from pellet stoves, but as will all solid fuel burning home heating appliances there is never no risk. Safety measures such maintenance of pellets stoves and using a carbon monoxide detector should always be undertaken.
