Natural gas vs. carbon monoxide
Is natural gas carbon monoxide (CO)? No. Natural gas is a reliable and safe source of fuel for homes across Ontario and the world. CO is a poisonous gas that can be released from fuel-burning equipment that isn’t working properly. This equipment can include your furnace, water heater or fireplace (or a blocked vent or chimney).
CO is often called the ‘silent killer’ because you can’t see or smell it. Follow these tips to learn how to keep your home safe—then watch our interactive video to test your CO safety smarts.