Talk:Carbon monoxide detector
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So, how do they work, and is there some kind of makeshift one that one could construct from household items in a situation where a commercial one is not an option? That would be good info to include here. -GTBacchus(talk) 02:08, 8 December 2005 (UTC)
[edit] Not on the ceiling!
I made the suggestion about not needing them on the ceiling into a stern warning. If you install them on the ceiling (unless they're specifically designed for it - most aren't) it could be deadly. CO is heavier than air and collects near the floor.
A ceiling mounted CO detector would have to be very sensitive in relation to a normal "near the floor" detector. Does anyone have any examples? I've never even heard of a ceiling CO detector. FractureTalk 
06:19, 2 September 2006 (UTC)
I'm confused--the article on carbon monoxide says it's lighter than air! --Matt McIrvin 08:06, 21 September 2006 (UTC)
- Yeah the density of CO is less than that of air, therefore its lighter than air (but not by much), this article is incorrect.Mr Bungle 09:26, 21 September 2006 (UTC)
It should also be remembered that for a nearly neutral density gas such as carbon monoxide, in most normal rooms thermally induced air currents will be the dominant factor in nthe distribution of gas around the room. Although gas difuusion is a factor for the distribution of carbon monxide, thermal air currents normally dominate. The positioning of the carbon monoxide detector should therefore reflect this.
