MN SF3964

Effective August 1, 2027, replacement smoke alarms in dwelling units must have sealed, nonremovable batteries that power the alarm for 10 years

Replacement smoke alarms must be tested and listed by a nationally recognized testing laboratory to standards published on or after October 1, 2022

Applies only to Group R-2 and R-3 residential occupancies (apartments, condos, single-family homes); excludes hotels, motels, commercial buildings, and smoke detection systems connected to fire alarm control panels

Requirements apply whenever smoke alarms are replaced for any reason, including mandatory replacement when units exceed 10 years from manufacture date

Violations constitute State Fire Code violations and are subject to existing penalty and enforcement mechanisms under section 299F.011