Learn About Smoke Alarms

Why should I have a working smoke alarm?


A properly installed and maintained smoke alarm is the only thing in your home that can alert you and your family to a fire 24 hours a day, seven days a week. Whether you’re awake or asleep, a working smoke alarm is constantly on alert, scanning the air for fire and smoke. According to the National Fire Protection Association, between 2003-2006, more than 66 percent of home fire deaths occurred in homes without a working smoke alarm. A working smoke alarm significantly increases your chances of surviving a deadly home fire.


What types of smoke alarms are available?


There are many different brands of smoke alarms available on the market, but they fall under two basic types: ionization and photoelectric. It cannot be stated definitively that one is better than the other in every fire situation that could arise in a residence. Because both ionization and photoelectric smoke alarms are better at detecting distinctly different, yet potentially fatal fires, and because no one can predict what type of fire might start in a home, the US Fire administration recommends that every residence and place where people sleep be equipped with:

  • Both ionization AND photoelectric smoke alarms: $6 and up

  • Dual sensor smoke alarms, which contain both ionization and photoelectric smoke sensors: $24 and up

  • Smoke alarms with a microprocessor (faster to alert, fewer false alarms): $30 and up

  • Radio frequency/wireless (communicate from one to the next without wires: $40 and up)


In addition to the basic types of alarms, there are alarms made to meet the needs of people with hearing disabilities. These alarms may use strobe lights that flash and/or vibrate to assist in alerting those who are unable to hear standard smoke alarms when they sound.


What powers a smoke alarm?


Smoke alarms are powered by battery or they are hardwired into the home’s electrical system. If the smoke alarm is powered by battery, it runs on either a disposable 9-volt battery or a non-replaceable 10-year lithium (“long-life”) battery. A backup battery is usually present on hardwired alarms and may need to be replaced. These batteries must be tested on a regular basis and, in most cases, should be replaced at least once each year (except for lithium batteries). See the Smoke Alarm Maintenance section for more information.

Are smoke alarms expensive?


Smoke alarms are not expensive and are worth the lives they can help save. Ionization and photoelectric smoke alarms cost $6 and up. Dual sensor smoke alarms cost $24 and up. Smoke alarms with a microprocessor are faster to alert and produce fewer false alarms and cost $ 30 and up. Radio frequency/wireless that communicate from one to the next without wires cost $ 40 and up. If you do not have smoke detectors and you live in the City of Flatwoods; the Flatwoods Fire Department will install battery-operated smoke detectors in your residence at no cost. Send us your request "HERE", do not forget to provide your address and contact information.


Install smoke alarms in key areas of your home

Install smoke alarms on every level of your home, including the basement. Many fatal fires begin late at night or early in the morning, so the U.S. Fire Administration recommends installing smoke alarms both inside and outside of sleeping areas. Since smoke and many deadly gases rise, installing your smoke alarms at the proper level will provide you with the earliest warning possible. Always follow the manufacturer’s installation instructions.


Hardwired smoke alarms should be installed by a qualified electrician. Is your smoke alarm still working? Smoke alarms must be maintained! A smoke alarm with a dead or missing battery is the same as having no smoke alarm at all. A smoke alarm only works when it is properly installed and maintained. Depending on how your smoke alarm is powered (9-volt, 10-year lithium, or hardwired), you’ll have to maintain it according to manufacturer’s instructions. General guidelines for smoke alarm maintenance:


Smoke alarm powered by a 9-volt battery


  • Test the alarm monthly.

  • Replace the batteries at least once per year. (Recommended twice a year @ Daylight Savings Time)

  • The entire smoke alarm unit should be replaced every 8-10 years.

Smoke alarm powered by a 10-year lithium (or “long life”) battery


  • Test the alarm monthly.

  • Since you cannot (and should not) replace the lithium battery, the entire smoke alarm unit should be replaced according to manufacturer’s instructions.


Smoke alarm that is hardwired into the home’s electrical system


  • Test the alarm monthly.

  • The backup battery should be replaced at least once per year.

  • The entire smoke alarm unit should be replaced every 8-10 years.


Never disable a smoke alarm while cooking


    A smoke alarm is just doing its job when it sounds while you’re cooking or taking a shower with lots of steam.


  • If a smoke alarm sounds while you’re cooking or taking a shower with lots of steam, do not remove the battery.


    You should:


  • Open a window or door and press the hush” button,

  • Wave a towel at the alarm to clear the air, or

  • Move the entire alarm several feet away from the location.


    Disabling a smoke alarm or removing the battery can be a deadly mistake.


   Click here for more information from the United States Fire Administration.


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804 Powell Lane
Flatwoods, KY 41139

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or 606-473-1411

Office: 606.836.7177

Fax:     606.833.5498 

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