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It's best to not hang a carbon monoxide detector on the ceiling, yet instead hang it on the wall. It's important you do not get the carbon monoxide detector confused with the smoke detector, as the smoke detector is usually placed on the ceiling.
When installing your carbon monoxide detector, place within 15 feet of each bedroom, so that it can be heard if you are sleeping. You may need more than one detector, depending on the number of bedrooms and there location.
For the carbon monoxide detector it is near the floor. Monoxide is heavier than air, so it fills the room from the floor up. When it reaches the ceiling, it is far too late for everybody in the room.
Note that carbon monoxide detectors have a chemical that helps in the detection process. This needs to be replenished over time, so be sure to check this as well as the batteries.
Source(s):
http://en.wikipedia.org/wiki/Carbon_monoxide_detector
http://www.wikihow.com/Install-a-Smoke-Detector-or-Carbon-Monoxide-Detector
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Doing a quick search yielded what I expected to find: Carbon monoxide will diffuse and fill up an enclosure, so high or low won't matter much unless one location is closer in proximity to the leak. Interesting website, "Ask a Scientist".
http://www.newton.dep.anl.gov/askasci/chem03/chem03364.htm
Source(s):
http://www.newton.dep.anl.gov/askasci/chem03/chem03364.htm
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Answered Question
February 08, 2009 05:47 PM
Are you suppose to hang your carbon monoxide detector high (on the ceiling) or low (closer to the ground)
Our heating/ac guy said they should be installed 3ft from the ground, because this gas doesn't rise. Our alarm company hung it on the ceiling. Consumer reports says it should also be on the ceiling. Which is right???
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| February 08, 2009 06:04 PM |
When installing your carbon monoxide detector, place within 15 feet of each bedroom, so that it can be heard if you are sleeping. You may need more than one detector, depending on the number of bedrooms and there location.
For the carbon monoxide detector it is near the floor. Monoxide is heavier than air, so it fills the room from the floor up. When it reaches the ceiling, it is far too late for everybody in the room.
Note that carbon monoxide detectors have a chemical that helps in the detection process. This needs to be replenished over time, so be sure to check this as well as the batteries.
Source(s):
http://en.wikipedia.org/wiki/Carbon_monoxide_detector
http://www.wikihow.com/Install-a-Smoke-Detector-or-Carbon-Monoxide-Detector
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Other Answers (1)
February 08, 2009 05:57 PM
ADT hung ours near the ceiling in our basement, near our gas heater. Doing a quick search yielded what I expected to find: Carbon monoxide will diffuse and fill up an enclosure, so high or low won't matter much unless one location is closer in proximity to the leak. Interesting website, "Ask a Scientist".
http://www.newton.dep.anl.gov/askasci/chem03/chem03364.htm
Source(s):
http://www.newton.dep.anl.gov/askasci/chem03/chem03364.htm
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Don't get confused between carbon monoxide detector and smoke detector. Carbon monoxide detector goes low, near the potential source of carbon dioxide, a smoke detector goes high.
If you are ever caught in a fire, remember smoke kills more people than fire itself, and the most breathable air is near the ground.
http://www.newton.dep.anl.gov/askasci/chem03/chem03364.htm
Essentially, it does not matter that CO is marginally heavier than average air because 1. it will diffuse 2. it is probably warmer than the rest of the air (it is created by combustion) 3. it is lighter than CO2 so any effect of weight will be countered by the production of larger CO2 in that same combustion. The alarm should be put where it can best be heard.