Whether it is a commercial or residential building, fire alarm systems play a crucial role in protecting lives as well as properties at the time of fire emergency. They are specifically designed to alert people about the fire break out and give them extra time to evacuate the buildings and call the fire department.
Different fire alarm systems are suitable for different requirements, based on the environment they are installed.
Here we will examine some of the differences between residential and commercial fire alarm systems.
Types of fire alarms used in residential buildings
Most of the homeowners would know the types of smoke detectors used in residential buildings. They are of two types, ionization and photoelectric. The working of ionization smoke detectors depends on the ionization reactions taking place inside the alarm after being triggered by the presence of smoke particles. Whereas, photoelectric smoke detectors use light beams, which lead to a reduction in light passing to a photocell if smoke is present.
In a residential building, ionization alarms are more photoelectric alarms are more reactive to flaming fires, on the other hand, photoelectric fire alarms are suitable for smoldering fires. Photoelectric alarms are more common in homes as compared to ionization alarms, since they easily detect smoke coming from furnishings and burning fabrics.
Types of fire alarms used in commercial buildings
Safe evacuation of people present in a fire building is the utmost fire safety priority in a commercial building. Because of different types of this environment, there are varied types of commercial fire alarm systems to fulfill specific fire safety requirements.
These alarms include VESDA, wireless or radio fire alarms, and voice alarms having in-built public address systems.
VESDA - VESDA - Very Early Smoke Detection Apparatus, is an alarm system that continuously tests air and processes it looking for smoke. This type of system is installed in a more sensitive environment with a large number of the crowd gathered, such as entertainment venues like theatres and cinemas. In such an environment, the fire alarm system will have to raise the alarm as soon as a fire starts so that the process of evacuation can start immediately.
Voice alarm system with PA address - This type of fire alarm system needs to provide specific evacuation instructions and communicate to the people inside a building that is on fire. Voice systems help to make public announcements, which can speed up evacuation and save lives.
Wireless and radio fire alarm - Large buildings need to be installed with wireless or radio fire alarms. The advantage of a wireless fire alarm is that it doesn’t need hardwiring and can cover a large distance of up to 1.5km.
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