Fire Alarms

Fire alarms are essential components of fire safety, designed to alert occupants at the earliest stage of a fire, facilitating safe evacuation or fire control. In this comprehensive guide, we’ll discuss the different types of fire alarms, their applications, preferred customer types, typical price points, popular manufacturers and models, and where and how to shop.

1. Photoelectric Smoke Alarms

Photoelectric smoke alarms are best at detecting slow, smoldering fires, typically resulting from overheated wiring or neglected cigarettes1.

  • Target Customers: Homeowners and businesses with enclosed spaces and a high possibility of electrical fires.
  • Popular Models: First Alert BRK 7010B, Kidde i12060[^2^,^3^].
  • Price Point: Typically ranges between $20 to $602.

2. Ionization Smoke Alarms

Ionization alarms are most effective at detecting flaming fires, like those started by flammable liquids or kitchen fires1.

  • Target Customers: Homeowners, especially those with kitchens prone to flare-ups, and businesses involved in volatile substances.
  • Popular Models: Kidde i9040, First Alert BRK 9120B[^3^,^2^].
  • Price Point: Typically ranges between $15 to $502.

3. Combination Smoke Alarms

These alarms combine the features of photoelectric and ionization alarms, ensuring effective detection of both smoldering and flaming fires1.

  • Target Customers: Homeowners and businesses seeking comprehensive fire detection.
  • Popular Models: Nest Protect Smoke & Carbon Monoxide Alarm, Kidde PI2010[^5^,^3^].
  • Price Point: Typically ranges between $30 to $1202.

4. Heat Alarms

Heat alarms detect a rise in temperature, ideal for places like garages or kitchens where smoke alarms may give false alarms1.

  • Target Customers: Businesses with a high risk of rapid, high-heat fires, like restaurants or manufacturing units.
  • Popular Models: BRK Brands HD6135FB, Kidde HD135F[^6^,^3^].
  • Price Point: Typically ranges between $20 to $502.

5. Carbon Monoxide Alarms

While not fire alarms per se, Carbon Monoxide (CO) alarms detect dangerous levels of CO, a deadly gas produced when fuels burn incompletely3.

  • Target Customers: Every home and business with fuel-burning appliances or attached garages.
  • Popular Models: Nest Protect Smoke & Carbon Monoxide Alarm, First Alert CO605[^5^,^2^].
  • Price Point: Typically ranges between $20 to $1002.

Like getting the right fire extinguisher or fire suppression system, choosing the right fire alarm system and the right first aid kit is are critical steps in ensuring fire safety. Each type has its specific strengths, so it’s important to choose the one that best suits your unique needs. Stay safe!


1. NFPA. (2023). “Smoke Alarms in U.S. Home Fires.” Link 
2. SafeWise. (2023). “Best Smoke Alarms.” Link
3. Centers for Disease Control and Prevention. (2023). “Carbon Monoxide (CO) Poisoning Prevention.”