Installing smoke alarmsTesting smoke alarmsInterconnected smoke alarms increase safetyIn a Consumer Product Safety Commission (CPSC) survey of households with any fires, including fires in which the fire department was not called, interconnected smoke alarms were more likely to operate and alert occupants to a fire. People may know about a fire without hearing a smoke alarm.
1 Michael A. Greene and Craig Andres. 2004-2005 National Sample Survey of Unreported Residential Fires. U.S. Consumer Product Safety Commission, July 2009.