> They are generally integrated in modern smoke detectors
No they are not. Most smoke detectors do not have carbon monoxide detection built in. You can buy combination units but you should not assume a smoke detector has carbon monoxide detection just because it’s new. Verify that the unit you purchase provides detection of both of you want both in one.
And replace your detectors if they’re 10 years old (or don’t have a date, in which case they’re way older than 10 years).
No they are not. Most smoke detectors do not have carbon monoxide detection built in. You can buy combination units but you should not assume a smoke detector has carbon monoxide detection just because it’s new. Verify that the unit you purchase provides detection of both of you want both in one.
And replace your detectors if they’re 10 years old (or don’t have a date, in which case they’re way older than 10 years).