Patent ID: 7714733

Claim:
A hazard alarm system, comprising: a warning device for receiving a warning alert message from a source external to the hazard alarm system; a system controller for the hazard alarm system in communication with the warning device and receiving the warning alert message from the warning device, the system controller determining whether to issue an alarm system alert based on at least one aspect of the warning alert message received; at least one notification appliance in communication with the system controller, the system controller sending the alarm system alert to the at least one notification appliance based on the warning alert message if the system controller determines to issue the alarm system alert; and at least one hazard detector that detects any of fire, heat, and smoke, the hazard detector in communication with the system controller and being separate from the warning device, wherein the system controller receives data from the at least one hazard detector in order to determine whether to issue a hazard detector alert, and wherein the system controller sends the hazard detector alert to the at least one notification appliance if the system controller determines to issue the hazard detector alert.