Why Is My Carbon Monoxide Alarm Beeping?

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Is your carbon monoxide alarm beeping? Understand what it might mean here! Every year there are carbon monoxide fatalities in Ireland. In this guide, you will find answers to just what is carbon monoxide in the home, how to avoid it, how to recognize symptoms, and more importantly, where to place your carbon monoxide alarm to keep your family safe from this "silent killer".

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What Is a Carbon Monoxide Alarm?

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Carbon monoxide detectors are cheap and easy to install in your home, and the peace of mind they bring is invaluable. Alarms can be battery-operated or have a backup battery. Whichever type you have, you should replace the battery every time the clock changes, i.e. in spring and autumn, and make sure to test it regularly.

You can purchase a carbon monoxide alarm online from Amazon, at any DIY, or hardware store. In Ireland, alarms should meet the following requirements:

  • Carry a CE mark
  • Carry an independent certification mark such as a kitemark
  • Comply with EN 50291 European safety standard
  • Have an “end of life” indicator

Be aware that colour-changing indicators are not considered useful as they will not wake you up in the event of a carbon monoxide build-up.

How much do carbon monoxide alarms cost?

Suitable carbon monoxide alarms can cost from €15 - €40, although you also have the option of buying a smart dual smoke and carbon monoxide detector from Nest for around €90.

What Is Carbon Monoxide?

Carbon monoxide is a toxic gas which can make you sick or even kill you. The gas can be found in any Irish home from improper burning of gas, oil in your oil boiler, wood, or coal. Even paint or car fumes can release carbon monoxide inside the home.

According to Gas Networks, on average 6 people die in Ireland every year from unintentional carbon monoxide poisoning in their homes, usually caused by faults with installed central heating systems in their homes. This is why it’s so important to have your boiler serviced regularly and to have a carbon monoxide alarm properly installed.

The Silent Killer Carbon Monoxide has no smell, taste, or colour, and as such has come to be known as the “silent killer”. Every year in Ireland, there is a Carbon Monoxide Awareness Week to promote awareness of this silent killer to the general public.

What Are the Symptoms of Carbon Monoxide Poisoning?

When in an enclosed area containing anything that might produce carbon monoxide, keep an eye out for the sudden onset of these symptoms, experienced by yourself or other household members:

  1. Blurred vision
  2. Confusion
  3. Dizziness
  4. Dull headache
  5. Loss of consciousness
  6. Nausea/vomiting
  7. Shortness of breath
  8. Weakness

Many of these symptoms are subtle or not easily attributed to carbon monoxide poisoning, which is why it is also important to have a carbon monoxide alarm installed in your home. However, you should still be aware of possible symptoms in the unlikely eventuality that the alarm malfunctions.

If you think you or anyone you are with may be experiencing carbon monoxide poisoning, exit the danger area immediately to an area with fresh air, preferably outside, and get emergency medical care.

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Why Should I Get a Carbon Monoxide Alarm?

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Normally, combusting fossil fuels will produce carbon dioxide (CO2, which we normally excrete when we breathe out). Any fossil fuel can release carbon, including those used frequently in Irish homes such as coal, gas, oil, turf, and wood.

Where Is Carbon Monoxide Produced?

If there is a lack of oxygen during the combustion process of fossil fuel, then carbon monoxide may be formed instead of carbon dioxide. Items and processes in the home which may produce carbon monoxide include:

To avoid carbon monoxide poisoning, appliances should be well-maintained and kept in good working order, like with regular gas boiler services and bleeding your boiler. Generators and fuel-powered outside appliances such as lawnmowers should never be turned on inside the house (this includes inside a closed garage).

Where Else Is Carbon Monoxide Produced?

Vehicles produce carbon monoxide when they are running, so never leave a vehicle idling inside a covered space, e.g. a garage. The toxic gas can also be released into the car interior if the exhaust pipe becomes blocked, so make sure to check that the exhaust pipe is clear if you’ve been driving in muddy conditions or through the snow.

Fireplaces, chimneys and flues should be cleaned and checked every year.

Working with solvents, such as paint removers, which contain methylene chloride, can also put you at risk for carbon monoxide poisoning as the methylene chloride is metabolized into carbon monoxide if inhaled. Such solvents should only be used in very well-ventilated areas, or outdoors.

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Where Should I Put a Carbon Monoxide Alarm?

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You are most at risk from carbon monoxide while asleep, as you may not notice the symptoms which would normally alert you to the fact that something is wrong. Therefore it makes sense to place your carbon monoxide alarm somewhere it will wake you up if you are sleeping.

While placing an alarm near your bedroom is helpful for the reasons we outlined above, you may need several more alarms to take care of safety during the daytime when people are awake and in different areas of the house. The kitchen and living room tend to be safe bets to place detectors, but realistically any room where there is a potential source of carbon monoxide should have one.

What Do I Do If My Carbon Monoxide Is Beeping?

If you and your loved ones are not showing any symptoms, follow these simple steps:

  1. Open all the doors and windows in the house.
  2. Turn off any fossil-fuel-based appliance which could be a source of carbon monoxide.
  3. Exit the house.

If anyone is showing symptoms, exit the house immediately. Do not reenter your house until you have been told it is safe to do so. Call emergency services and let them know your condition, the condition of those around you, and any other information you may have. They will then send someone to assess you and your house.

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Why is My Carbon Monoxide Alarm Beeping?

If your carbon monoxide alarm is constantly beeping (every 30-40 seconds), and not actually “going off”, then it may be a result of the following:

  • The end of life has been reached (time to change your detector)
  • Low battery (replace the battery)
  • Malfunction (reset the unit, and if that doesn’t work replace it)

You should have previously tested your carbon monoxide alarm and be able to tell the difference between this beeping and the actual alarm going off. Do not ignore a beeping detector, apart from being an extremely irritating sound, the detector will not respond to carbon monoxide in this condition.

The services and products mentioned on this website may only represent a small selection of the options available to you. Selectra encourages you to carry out your own research and seek advice if necessary before making any decisions. We may receive commission from selected partner providers on sales of some products and/or services mentioned within this website. Our website is free to use, and the commission we receive does not affect our opinion or the information we provide.

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