Springfield, IL – As colder weather settles across Illinois and furnaces begin running again, the Illinois State Fire Marshal is warning residents to check their smoke and carbon monoxide (CO) alarms to prevent deadly incidents.
According to the agency, carbon monoxide poisoning risks rise significantly as heating systems turn on for the fall and winter. Officials are reminding homeowners to ensure both alarms are working — and to know the different sounds they make.
A continuous set of four loud beeps means smoke or CO is present and signals immediate danger, requiring evacuation and a call to 911. A single chirp every 30–60 seconds, however, typically indicates a low battery or an expired unit that needs replacement.
“Understanding the sounds your alarms make can save your life,” the department’s post stated. “Make sure everyone in your home knows what each alarm means and how to respond.”
The National Fire Protection Association recommends replacing smoke alarms every 10 years and carbon monoxide alarms according to manufacturer guidelines. Officials also suggest installing alarms near bedrooms and on every level of the home.
Residents are urged to check both smoke and CO alarms this week and replace batteries if needed.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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