Choosing Between Photoelectric, Ionization and Dual Sensing Smoke Alarms

The First Alert Store understands the significance of selecting the appropriate First Alert Smoke Alarm to safeguard families from the many dangers associated with the presence of smoke and fire. First Alert Smoke Detectors utilize differing technologies to achieve the very best result in offering steadfast protection. First Alert Photoelectric Smoke Alarms are an optimal choice for those searching for a reliable means of alerting an area to the presence of smoky and smoldering fires. These fires are usually defined by their ability to slowly engulf a surrounding area in flames. First Alert Ionization Smoke Alarms represent an alternative means of deciphering smoke and were designed to quickly respond to fast flaming fires. Flaming fires are characterized by their blistering speed and are usually attributed to cooking incidents or flammable liquids. The installation of a working photoelectric and ionization detector can be instrumental in saving lives. However, it's often recommended that homeowners seek to employ First Alert Dual Sensing Smoke Alarms that utilize both technologies for maximum coverage.

Photoelectric Smoke & Fire Alarms

First Alert Photoelectric Smoke Detectors were specifically designed to decipher smoke patterns that originate from slow and smoldering fires. Photoelectric smoke alarms utilize a light source in a light-sensitive sensor. The light is continually positioned at a 90 degree angle. When the presence of smoke agitates and scatters the light in a photoelectric alarm's chamber, the detector initiates its alarm sequence. The First Alert 10-Year Sealed Battery Combo Photoelectric Smoke & CO Alarm with Slim Design showcases this technology with the added bonus of detecting carbon monoxide. Photoelectric smoke alarms are a highly efficient solution that features the following strengths:

  • Employ light sensitivity sensor to decipher the presence of smoke
  • Work best in detecting fires characterized by their slow/smoldering properties
  • Reduced number of false alarms triggered by cooking/shower steam


  • Ionization Smoke & Fire Alarms

    First Alert Ionization Smoke Alarms are generally acknowledged for their higher efficiency rating in detecting fast flaming fires. Ionization smoke detectors implement a trace amount of radioactive material that's fitted between two electrically charged plates. The sum of these ingredients creates a steady flow of ionized air within the smoke alarm. The presence of any smoke within the alarm's vicinity will disturb this flow and immediately warn the surrounding area. The First Alert Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup utilizes the aforementioned technology, while doubling as an efficient means of detecting CO. Ionization smoke alarms are usually defined by the following traits:

  • Employ electrically charged plates to determine the presence of smoke
  • Work best in detecting fires characterized by their fast/flaming properties
  • Currently the most popular means of smoke protection due to general availability


  • Dual Sensing Photo & Ion Smoke & Fire Detectors

    Photoelectric and Ionization Alarms utilize differentiating technologies to achieve the same goal. Because all fires are different, it can be difficult to select the appropriate alarm for any given surrounding area. That's why it's highly recommended that homeowners seek to install dual smoke alarms that combine both technologies. First Alert Dual Sensing Smoke Alarms remove the guessing game associated with selecting an individual alarm's strength; they instead focus on providing one smoke alarm that's capable of offering maximum smoke coverage. The First Alert Dual Sensor Photoelectric/Ionization Smoke and Fire Alarm with 10-Year Sealed Battery use both ionization and photoelectric sensors to offer the earliest possible warning for either type of fire. The availability of First Alert Combination Alarms that employ carbon monoxide detection offer even more safety precautions for homeowners to explore when outfitting their home.
    CURRENT ARTICLE: Choosing Between Photoelectric, Ionization and Dual Sensing Smoke Alarms - 11/09/17

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    No Need for a Deposit Box; First Alert Has Your Needs Covered
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    No Need for a Deposit Box; First Alert Has Your Needs Covered...Read More

    A Brand New Way, A Brand New Light
    news article date 09/14/10Read More

    A Brand New Way, A Brand New Light...Read More

    Hearing Impaired Strobe Alarm
    news article date 09/14/10Read More

    This alarm is specifically made for the hearing impaired, however anyone can use it. There have been some changes made over the past years....Read More

    Identifying Your Security Needs: The Pros and Cons to Combination and Digital Lock Safes
    news article date 09/13/10Read More

    Identifying Your Security Needs: The Pros and Cons to Combination and Digital Lock Safes...Read More

    Holy Moldy!! PT.2 Tips and Tricks to Help Reduce Mold in your Home
    news article date 09/13/10Read More

    Holy Moldy!! PT.2 Tips and Tricks to Help Reduce Mold in your Home...Read More

    Holy Moldy! Controlling the Outspread of Mold
    news article date 09/13/10Read More

    Holy Moldy! Controlling the Outspread of Mold...Read More

    Protecting Our Home Means Protecting Our Children
    news article date 09/13/10Read More

    Protecting Our Home Means Protecting Our Children...Read More

    Hardwired Carbon Monoxide Alarm with Battery Backup
    news article date 09/13/10Read More

    Hardwired Carbon Monoxide Alarm with Battery Backup...Read More

    New alarms coming to FirstAlertStore.com
    news article date 09/13/10Read More

    New alarms coming to FirstAlertStore.com...Read More

    OneLink First Alert Alarms
    news article date 09/13/10Read More

    OneLink First Alert Alarms...Read More

    Protecting your atmosphere: Radon Test Kit helps protect your health more than you can imagine!
    news article date 09/13/10Read More

    Protecting your atmosphere: Radon Test Kit helps protect your health more than you can imagine!...Read More

    What is Carbon Monoxide and who it can affect?
    news article date 09/13/10Read More

    What is Carbon Monoxide and who it can affect?...Read More

    Fires: what you should know
    news article date 09/13/10Read More

    Fires: what you should know...Read More

    Spring Cleaning
    news article date 09/13/10Read More

    This year remember to check your home's fire safety. When you are cleaning don't forget to clean and vacuum your smoke and carbon monoxide alarms to clear any dust that may be settling in the alarm....Read More

    Just in time for the Holidays: Fire Protector Chest
    news article date 09/10/10Read More

    Just in time for the Holidays: Fire Protector Chest...Read More

    HOW SAFE IS YOUR SAFE
    news article date 09/10/10Read More

    HOW SAFE IS YOUR SAFE...Read More

    First Alert Store Videos
    news article date 09/10/10Read More

    First Alert Store Videos...Read More

    TIS THE SEASON TO MULTIPACK
    news article date 09/10/10Read More

    TIS THE SEASON TO MULTIPACK...Read More

    Special Pricing for the perfect Carbon Monoxide Detector
    news article date 09/10/10Read More

    Special Pricing for the perfect Carbon Monoxide Detector...Read More

    Make It A Priority to Test Your Alarms Annually
    news article date 09/10/10Read More

    Make It A Priority to Test Your Alarms Annually...Read More

    How Do I Reset My Alarm's Battery?
    news article date 09/10/10Read More

    Disconnect all power sources (take out the battery, if it is a plug in alarm remove it from the outlet, and if it is hardwired alarm disconnect it from any wiring). Hold the test/silence button for 20 seconds. Reconnect all power sources (put the new battery in, plug back into the outlet....Read More

    Tundra Fire Extinguisher, the perfect gift
    news article date 09/09/10Read More

    Tundra Fire Extinguisher, the perfect gift...Read More

    Pratice using your Fire Escape Ladder
    news article date 09/09/10Read More

    Pratice using your Fire Escape Ladder...Read More

    A Step Away From Safety: First Alert Escape Ladders Make Fire Rescues Easier to Achieve
    news article date 09/09/10Read More

    A Step Away From Safety: First Alert Escape Ladders Make Fire Rescues Easier to Achieve...Read More

    Win First Alert Wireless CO and Smoke Detector Home System
    news article date 09/09/10Read More

    Win First Alert Wireless CO and Smoke Detector Home System...Read More

    Make it easier to test and mute unwanted alarms with an infrared remote
    news article date 09/09/10Read More

    Make it easier to test and mute unwanted alarms with an infrared remote...Read More

    First Alert Motion Sensing Light Socket
    news article date 09/09/10Read More

    The convenient way to add light to an garage, basement or hallway. Motion sensing lights are easy to install, just like a normal led bulb just screw in for more safety....Read More

    Fort Wayne fire leaves 2 children dead, 2 hurt
    news article date 06/08/09Read More

    Firefighters found four children inside the home. Fire, police and medical personnel performed emergency medical treatment, but one child died at the scene. The three others were taken to the hospital, where one of them later died....Read More

    Two girls, 11, believed dead from carbon monoxide poisoning west of Boca
    news article date 06/01/09Read More

    Two girls, 11, believed dead from carbon monoxide poisoning west of Boca...Read More

    Toxic fumes fill 3 Philly homes
    news article date 05/09/09Read More

    11 people in Southwest Philadelphia, including three children, are being treated in the hospital for carbon monoxide poisoning....Read More

    Three Killed in Wayne County Fire
    news article date 01/21/09Read More

    People living on the right side of the apartment where the fire happened made it out safely and are staying elsewhere. Three people are dead after an apartment fire early Wednesday in Wayne County....Read More

    50 tenants evacuated after deadly monoxide leak
    news article date 01/13/09Read More

    Carbon monoxide is an odorless, tasteless, colorless and highly toxic gas that is a byproduct of combustion....Read More

    Woman, 23, Dies of Carbon Monoxide Poisoning
    news article date 01/06/09Read More

    Carbon monoxide poisioning can be avoided with a carbon monoxide alarm or detector...Read More