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Silhouette of smoke rising from a house chimney at sunset


Phil’s Chimney Sweep supply and fit carbon monoxide alarms with a 10-year guarantee. Get in touch for carbon monoxide alarms in Macclesfield and the surrounding areas.

Why is it important to install a CO alarm?

Carbon monoxide has no taste, smell or colour. You can't see it, taste it or smell it, but it can kill quickly and with no warning!

Being aware of the symptoms could save your life.


Remember the 6 main symptoms to look out for:

Carbon monoxide symptoms are similar to flu, food poisoning, viral infections and simple tiredness. That's why it's quite common for people to mistake this very dangerous poisoning for something else.

icons displaying the effects of carbon monoxide poisoning
Low Angle View Of Brick Chimney Seen Through Branches

Other signs that could point to carbon monoxide poisoning:

  • Your symptoms only occur when you are at home

  • Your symptoms disappear or get better when you leave home and come back when you return

  • Others in your household are experiencing symptoms (including your pets) and they appear at a similar time

  • While an alarm will alert you to carbon monoxide in your home, it is no substitute for having an annual gas safety check and regular servicing by a Gas Safe registered engineer.

  • Unsafe gas appliances

  • Gas Safe Registry strongly recommends you fit an audible carbon monoxide alarm in your home.

Carbon Monoxide Poisoning

Carbon monoxide poisoning occurs when you breathe in even small amounts of the gas. When you breathe in carbon monoxide, it gets into your blood stream and prevents your red blood cells from carrying oxygen. Without oxygen, your body tissue and cells die.


Levels that do not kill can cause serious harm to health when breathed in over a longer period of time. Long term effects of carbon monoxide poisoning include paralysis and brain damage. Such long term effects occur because many people are unaware of unsafe gas appliances and subsequent gas leaks.



When a gas appliance has been incorrectly fitted, badly repaired or poorly maintained, or if flues, chimneys and vents are blocked. Oil and solid fuels such as coal, wood, petrol and oil can also produce carbon monoxide.


How do I avoid a carbon monoxide leak in my home?


  • Your home may show signs of carbon monoxide.

  • The flame on your cooker should be crisp and blue. Lazy yellow or orange flames mean you need to get your cooker checked

  • Dark staining around or on appliances

  • Pilot lights that frequently blow out

  • Increased condensation inside windows

  • Checking your alarm

If you already have an alarm, please check the alarm to make sure it is marked to EN 50291 and has the British Standards' Kitemark or another European approval organisation's mark on it.


You are particularly at risk from carbon monoxide poisoning while sleeping, as you may not be aware of early carbon monoxide symptoms until it’s too late. It's advisable not to rely on the ‘black spot’ detectors that change colour when carbon monoxide is present. These will not make a sound to wake you up if the poisonous gas is present while you are sleeping.


Get in touch on 07970 934126 or email

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