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Carbon Monoxide Awareness

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New News for 2026!

Starting January 1, 2026, carbon monoxide (CO) alarms will be required adjacent to all sleeping areas AND on every storey without a sleeping area. Stay informed and ensure your home meets the new safety requirements.


Carbon Monoxide Alarm photo

Carbon Monoxide Alarm

Install carbon monoxide alarms near/adjacent to all sleeping areas and on every storey without a sleeping area.
Test Alarm photo

Test Alarm

Test alarms monthly. Consider using alarms that have a worry-free 10 year lithium battery.
Propane Heaters photo

Propane Heaters

Never use propane heaters inside the home or garage.
Barbecues photo

Barbecues

Never cook with barbecues or propane cookers inside the home or garage.
Garage photo

Garage

Never warm a vehicle in the garage.
Inspect and Maintain photo

Inspect and Maintain

Have a trained, TSSA-certified fuel technician inspect your furnace and fuel-burning appliances on a yearly basis. Keep outdoor exhaust vents clear.

Carbon monoxide, or “CO,” is an odourless, colourless, poisonous gas​
​​

Many Ontario households have, on average, 4 – 6 fuel-burning appliances that produce carbon monoxide​, this includes:

  • furnace
  • BBQ
  • stove
  • water heater
  • dryer
  • stove
  • fuel fired fireplace
  • blocked vents or chimney
  • portable fuel fired generator
  • vehicle running in attached garage

​Test CO alarms monthly or in accordance with the manufacturer’s instructions.​

  • ​Replace alarm batteries at least once a year or whenever the low-battery warning sounds. Never wait.
  • Know the difference between a low-battery warning and an emergency alarm – consult the CO alarm manufacturer’s instructions. ​

Replace alarms in accordance with the manufacturer’s instructions.
​​

  • ​Dull headache
  • Weakness
  • Dizziness
  • Nausea or vomiting
  • Shortness of breath
  • Confusion
  • Blurred vision
  • Loss of consciousness or death

Contact Fire/Life Safety Education