SMELL GAS? CALL 0800 002 001 MENU Safety & Environment Safe working and safeguarding our customers Home / Safety & Environment / Carbon Monoxide Awareness Carbon Monoxide Awareness Carbon Monoxide (CO) is a colourless, odourless, toxic gas which can be generated by the incomplete combustion of any fossil fuel burning appliance such as oil, solid fuel, wood or gas. Incomplete combustion can occur when appliances do not have enough oxygen to burn correctly. All fuels are safe to use, however if appliances are not installed, maintained or used correctly then carbon monoxide can be produced. Signs of carbon monoxide A yellow or orange flame where normally blue Appliances that burn slowly, badly (floppy flames), or go out Staining, sooting or discolouration around the appliance Condensation on walls/windows A strange smell when appliance is on Symptoms of Carbon Monoxide poisoning Early symptoms of Carbon Monoxide (CO) poisoning can mimic many common ailments and may easily be confused with food poisoning, viral infections, flu or simple tiredness which may include; Headache Nausea Breathlessness Dizziness Collapse Unconsciousness Preventing carbon monoxide poisoning Only ever use a gas safe register engineer to install, maintain or check your gas installation. Ensure all your appliances are serviced annually. Never seal up flues, chimneys, air bricks or ventilation grills. For additional peace of mind ensure you have an audible Carbon Monoxide Alarm manufactured to British Standard EN 50291 and carries a British or European approval mark, such as a CE or Kitemark. SAFETY & ENVIRONMENT In an Emergency Energy Transition Carbon Monoxide Awareness Dial Before You Dig Gas Safe Safety Campaigns Reporting Energy Theft Health & Safety Policies Environmental Impact 197 Airport Road West, Belfast, BT3 9ED Contact Us © 2021 Phoenix Natural Gas Limited. Company No. 32809. All rights reserved. Privacy Policy | Cookie Policy | Site Map | Legal | Modern Slavery Statement Cookie Control Icon For more information about the cookies we use, see our Cookies pageCookie Control Link Icon Analytical Cookies We'd like to set Google Analytic cookies to help us to improve our website by collecting and reporting information on how you use it. The cookies collect information in a way that does not directly identify anyone. We use Google and Youtube Analytical cookies. Analytical Cookies On Off Marketing Cookies Marketing cookies are used to track visitors across websites. The intention is to display ads that are relevant and engaging for the individual user and thereby more valuable for publishers and third party advertisers. We use Google, Facebook and Youtube Advertisement cookies. Marketing Cookies On Off