First Alert Alarms

First Alert Smoke and Carbon Monoxide Alarms

Since 1976, First Alert has been providing protection for homes. The company launched with battery-operated smoke detectors, then followed in 1996 with carbon monoxide alarms. Over the years, it has continued to introduce dependable home safety products that include home security systems, safes and more.

First Alert has a solid reputation for providing dependable smoke alarms and carbon monoxide detectors. While these products don’t necessarily come with all the bells and whistles that some other alarms do, there is an array of affordable choices that consumers can trust. The company, which is part of BRK Electronics, is headquartered in Illinois and has offices around the world.

First Alert smoke alarms and carbon monoxide detectors are a good option to consider for homeowners who don’t want to spend a lot of money but still want to protect their homes and families. They are also an excellent choice for senior citizens and others who may be hard of hearing, as some First Alert alarms have frequencies that make it easier for them to hear.

Pros

  • Both hard-wired and battery-operated options: While some people prefer a smoke or CO alarm that is hardwired into their home, others prefer the flexibility that battery-operated models offer. First Alert offers an array of both types.
  • Photoelectric and ionization sensors: When it comes to smoke sensors, there are two kinds used in alarms to detect fires—photoelectric and ionization sensors. Photoelectronic sensors use light and are best to detect fires that are moving quickly. Ionization sensors are better at detecting fires with more smoke than flames. First Alert offers models that feature each, and some that feature both, so you can make the best choice for your home.
  • One-stop home security shop: First Alert sells a full range of products to keep your home safe beyond smoke alarms and carbon monoxide detectors. It also sells motion detectors, escape ladders, safes and home security systems, which is a bonus for people who prefer to deal with companies to cover all their home security needs.

Cons

  • False alarms: While most customer reviews of First Alert smoke alarms and carbon monoxide detectors are positive, there are some complaints about  occasional false alarms and random chirping, which can be frustrating, particularly if they go off in the middle of the night.
  • Aesthetics: If you’re looking for sleek, sophisticated design, First Alert alarms may not fit the bill. While they have an array of models to choose from, most are basic and traditional in design.

Popular Models

First Alert Smoke Alarms

3120B Smoke Alarm – This alarm must be hardwired into your home, but it has a battery backup in case you lose power. It has both photoelectric and ionization sensors.

Sale
First Alert BRK 3120B Hardwired Photoelectric and Ionization Smoke Alarm with Battery Backup, Dual Sensing Smoke Alarm, 1-Pack
  • The front cover design of the alarm may vary but product function remains the same.
  • The First Alert Hardwired Dual Sensor Photoelectric and Ionization Smoke Alarm with Battery Backup is designed to help provide peace of...
  • This dual sensor, photoelectric and ionization alarm alerts you to both smoldering and fast-flaming fires in the event of a home fire...
  • Hardwire alarm includes battery backup for protection during power outages.
  • Two latching features help indicate a low battery or the originating alarm in a system.

SA3210 10-Year Battery Smoke Alarm – No hardwiring is necessary for this alarm. Rather than electricity, it runs on a battery. But don’t worry about having to change that battery frequently, since it’s designed to last for 10 years. It has both photoelectric and ionization sensors.

Sale
FIRST ALERT Dual Sensor Smoke and Fire Alarm, SA3210 , White
  • The front cover design of the alarm may vary but product function remains the same
  • Complies with all current 10 year legislation in U.S. states/cities where required
  • The 10 year lithium ion battery offers continuous power for the life of the alarm and provides continued monitoring even if there's a power...
  • Loud 85 decibel siren sounds to alert you to danger, Hardwired alarm includes battery backup for power outages
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom

SA521CN-3ST Interconnected Smoke Alarm – This alarm must be hardwired, but it can be connected with other First Alert alarms so that when one sounds, all the alarms in the house sound. It has a battery backup and uses a photoelectric sensor. The list price is $75.99.

Sale
FIRST ALERT Hardwired Wireless Smoke Alarm with Photoelectric Sensor and Battery Backup, SA521CN-3ST , White
  • The front cover design of the alarm may vary but product function remains the same
  • Help keep your family safe with this hardwired smoke alarm that wirelessly interconnects with other First Alert–enabled alarms to create a...
  • Equipped with photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number...
  • Wirelessly connect up to 18 First Alert enabled alarms for the maximum in whole-home protection
  • Hardwired alarm includes 2 AA backup batteries for continued monitoring in the event of a power outage

First Alert Carbon Monoxide Detectors

CO250 Basic Carbon Monoxide Alarm – This basic model requires no hardwiring. It runs on a 9-volt battery, which is included.

Sale
FIRST ALERT Carbon Monoxide Alarm | BRK CO250 Battery Operated Carbon Monoxide Detector With 9-Volt Battery & Two Silence Features
  • HIGHEST QUALITY, most accurate electrochemical co sensor technology
  • CONVENIENT, end of life chirping signal
  • HELPFUL, 2 silence features that silence both alarm and low-battery chirp
  • FEATURES, 9-Volt Battery and all necessary mounting hardware
  • Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety

CO605 Carbon Monoxide Plug-In Alarm – This model doesn’t require any hardwiring either. Instead, it plugs into any standard electrical outlet. A 9-volt battery backup kicks in if you should lose power.

Sale
First Alert CO605 Plug-In Carbon Monoxide Detector with Battery Backup , White
  • Keep your family safe with this easy to use plug in carbon monoxide alarm; It works with any standard outlet and also has a battery backup...
  • Features an advanced electrochemical carbon monoxide sensor that accurately detects carbon monoxide levels, no matter where the detector is...
  • Simple to use, with a single test/silence button; a loud 85 decibel alarm sounds when Carbon Monoxide levels reach dangerous levels. Low...
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
  • 7 year limited warranty; Equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety

CO615 Dual-Power Carbon Monoxide Alarm – Like the CO605, this model plugs into any standard electrical outlet, and it has a battery backup. The primary difference is that this one has a digital display that lets you check the power level and alerts at a glance.

First Alert CO615 Dual-Power Plug-In Carbon Monoxide Detector with Battery Backup and Digital Display, White
  • Keep your family safe with this digital display, plug in carbon monoxide alarm; It works with any standard outlet and also has a battery...
  • Features an advanced electrochemical carbon monoxide sensor; Peak level feature displays the highest concentration of carbon monoxide...
  • A loud 85 decibel alarm sounds when Carbon Monoxide levels reach dangerous levels
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
  • 7 year limited warranty; Equipped with end of life signal chirp, so you know when it’s time to replace the unit for safety

Combination Smoke Alarm and Carbon Monoxide Detectors

PRC710 Combination Alarm with 10-Year Battery Life – This alarm will detect both smoke and carbon monoxide. It  has a built-in, 10-year battery and requires no hardwiring.

Sale
First Alert BRK PRC710 Smoke and Carbon Monoxide Alarm with Built-In 10-Year Battery , White
  • The front cover design of the alarm may vary but product function remains the same
  • Complies with all current 10 year legislation in U. S. states/cities where required
  • Features electrochemical Carbon Monoxide sensing technology and photoelectric smoke sensor optimized to detect larger smoke particles...
  • A loud 85 decibel alarm sounds when Carbon Monoxide, and Smoke levels begin to rise
  • Features a sleek, low profile design to blend more fully into the wall and out of sight

SC7010B Hardwire Combination Alarm – This dual-purpose alarm also covers both your smoke and carbon monoxide detection needs. As its name implies, this alarm must be hardwired, though it has a battery backup in case power is lost. The alert is specially designed to be heard by those with age-related hearing loss.

The First Alert SC7010B was picked as one of our choices for the best smoke alarms

Sale
First Alert BRK SC7010B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup , White
  • Keep your family safe with this hardwired smoke and carbon monoxide alarm; The battery backup means constant monitoring, even if there's a...
  • Features electrochemical Carbon Monoxide sensing technology as well as a photoelectric sensor equipped with Optipath 360 technology that...
  • In case of danger, the loud spread spectrum alarm is designed to be heard easily by even those with some hearing issues
  • Can connect to other compatible BRK or First Alert detectors, to ensure all alarms will sound when threat is detected
  • 10 year limited warranty; Equipped with end of life signal chirp, so you know when it's time to replace the unit for your safety

SCO501CN-3ST Battery Operated Combination Alarm – This dual-purpose alarm is battery-powered. It features a voice alarm that lets you know the type of danger it’s sensing and where it’s located.

First Alert SCO501CN-3ST Wireless Interconnected Combination Smoke and Carbon Monoxide Alarm with Voice Location, Battery Operated (pack of 1)
  • The front cover design of the alarm may vary but product function remains the same.
  • Battery operated smoke and carbon monoxide alarm can be installed easily
  • Connects multiple alarms together for wireless safety network
  • Voice alarm gives clear indication of where the problem is located
  • Features photoelectric smoke sensor and electrochemical CO sensor

The Bottom Line

First Alert is a solid company with a long-standing reputation for providing dependable, affordable products to keep your home safe. Their smoke alarms and carbon monoxide detectors get primarily positive reviews from customers, though there are some reports of false alarms.

First Alert offers a wide array of smoke alarms and carbon monoxide detectors, including both hardwired and battery operated models as well as dual-purpose models that help protect your home and family from both fire and carbon monoxide. Look closely at the models you’re considering to ensure it’s the right one for your needs and wants. While many of First Alert’s models don’t come with all the home automation integration options that some other companies’ alarms do, they are worth considering if you need basic, reliable alarms, detectors and other home security products.

This article has been reviewed and approved by Officer Banta.

Officer James Banta

Officer Banta is the official SecurityNerd home security and safety expert. A member of the Biloxi Police Department for over 24 years, Officer Banta reviews all articles before lending his stamp of approval. Click here for more information on Officer Banta and the rest of our team.

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