Naperville, IL Fire Regulations: Smoke Detectors (2026)

R310 Smoke Alarms: Add a new section to read as follows:

R310.6 Exception 2 Smoke Alarms, Power Source: Modify section to read as follows:

Smoke alarms in the portion of the residence that is not impacted by the renovation or addition installed in accordance with Section R314.2.2 shall be permitted to be battery powered. Smoke alarms within the area of renovation or addition shall follow power source requirements as identified in R310.6.

Add new subsections to read as follows:

R310.8 Fire Alarm And Detection Systems

Fire alarm and detection systems for townhouses shall be installed in multiple single-family dwellings (townhouses), if the building or structure contains three (3) or more units. All fire alarm and detection systems shall be listed and installed in accordance with the provisions of NFPA 72, the IBC 2024, the IFC 2024, and the current edition of the Naperville fire department's regulations for the installation, maintenance, and testing of fire alarm systems, as amended from time to time.

R311.1 Carbon monoxide alarms: Change to read as follows:

For new construction, an approved carbon monoxide alarm shall be installed outside and within 15 feet of each separate sleeping area in the immediate vicinity of the bedrooms in dwelling units within which fuel-fired appliances are installed and in dwelling units that have attached garages.