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With the change to daylight savings time a while back came the reminder: Did you change the batteries in your smoke and carbon monoxide detectors? Consider this a second reminder for those (like me, for example) who blew right past the first. The life you save might be your own.

And if saving a life isn’t enough to motivate you to do the deed, consider this: It’s a statistically-proven fact that if you let the battery in your smoke/CO detector die on its own it’ll inevitably die at 3-f@$$#ing-30 in the morning and wake you up with its infernal beeping. You’ll find yourself standing in the middle of the house trying to a) stay awake while b) carefully listening for that damn beep every 60 seconds to tell which one died.

Just sayin’.

(Thanks, sun dazed, for the CC-licensed photo.)


7 Responses to Did You Change Your Smoke Detector Batteries?

  1. Toolaremia says:

    Batteries last longer than two years in both my CO and smoke detectors. I change every other year and check operation periodically (sometimes by accident. Damn toaster!) Not due this year.

  2. paganwonder says:

    Periodically the pretty one just burns the heck out of something just to make sure alarms function!

  3. rick says:

    for the CO detector, make sure you know when you bought it. The sensors in most detectors have a 7 year lifespan. After that hte detector is no good, but doesnt show a fault… its asking for a lawsuit.

  4. Philip Maynard says:

    If your smoke detector is older than 8-10 years old, then it should be replaced. This comes from the recommendation of the City of Mesa Fire Department. I agree, from my engineering background and knowledge of nuclear isotopes. The smoke detector cell uses an isotope of Americium to detect the smoke particulates. Over time the isotope decays and after 8-10 years has decayed enough that the detection capability is seriously degraded.

    Be safe, replace the old smoke detectors, they are cheap insurance to save the lives of your family and you.


  5. Mac says:

    Cool info Phil, thanks. Isn’t the half-life of Am something in hundreds of years?

  6. jeff_williams says:

    EPA backs up the 10 year replacement for smoke detectors on this page. http://www.epa.gov/rpdweb00/sources/smoke_alarm.html

  7. Daniel says:

    Just change those 5-10 year old smoke detectors so that you and your families can be safe from any danger of fire. Just sayin’ man. better safe than sorry. 🙂

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