Practical starting points for chimney maintenance, ventilation and carbon monoxide awareness. For your installation, always follow professional advice and the appliance instructions.
The appliance, chimney, ventilation and alarms work together. This guidance is general information, and cannot establish whether a particular installation is safe to use.
Irish carbon monoxide guidance recommends an annual chimney sweep and regular servicing of fuel-burning appliances. The appliance instructions and how often you use it may call for more frequent care. Keep the flue clear, and arrange advice if something changes.
Irish prevention guidancePermanent air vents provide part of the air supply an installation may need. Never cover them to stop a draught. Building work, insulation and new windows can change ventilation, so ask for professional advice when making alterations.
Read about ventilationA working audible alarm helps alert you to carbon monoxide. Follow the manufacturer’s instructions for installation, testing and replacement. An alarm complements proper installation and maintenance; it does not replace them.
Carbon monoxide alarm guidanceDo not use the chimney again until it has been professionally assessed. Damage may be hidden inside the flue. Tell Patrick what happened and discuss whether an internal camera survey or other investigation is needed.
Understand chimney and flue risksUse only fuels recommended by the appliance manufacturer. Do not burn rubbish, plastics or treated materials in an open fire or stove. Keep the hearth clear and follow the appliance’s operating instructions.
Fuel and appliance guidanceDo not light a fire to clear a nest. Stop using the appliance and seek advice. Protected wild birds, eggs and active nests have legal protections at any time of year. Clearance must be assessed for the particular situation.
NPWS wildlife guidanceSafety sources reviewed in October 2026: carbonmonoxide.ie and the National Parks & Wildlife Service.
