Illinois also requires qualifying residential dwelling units to have approved carbon monoxide alarms.
Generally, at least one approved carbon monoxide alarm must be installed within:
15 feet of every room used for sleeping
The owner is responsible for supplying and installing required alarms.
Tenants generally have responsibilities for testing, routine maintenance, battery replacement, and notifying the owner about deficiencies they cannot correct.
Read more:Illinois Carbon Monoxide Alarm Detector Act — 430 ILCS 135