Fire Safety Tips Carbon Monoxide Carbon monoxide is a colorless, odorless, deadly gas. More than 1,500 people die each year when they're accidentally exposed to carbon monoxide. It's the leading cause of accidental poisoning deaths in the United States.
Carbon monoxide can escape from any fuel-burning appliance or furnace.
To minimize risks, make sure heating appliances are properly maintained. Install carbon monoxide detectors with audible alarms. Test your carbon monoxide detectors monthly to ensure your detectors is working properly.