I have a smoke/CO2 detector bought a few years back.  All battery powered.  I mounted it on the bottom of the upper bunk behind the bench seat, passenger’s side.

> On Mar 20, 2017, at 2:20 PM, Jim Felder <jim.felder@GMAIL.COM> wrote:
> 
> Jared, how is yours powered? Do you run it on 110v or do you use the 9v
> battery backup?
> 
> Thanks,
> 
> Jim
> 
> On Mon, Mar 20, 2017 at 2:10 PM Jim Felder <jim.felder@gmail.com> wrote:
> 
>> Thanks, Jared.
>> 
>> Jim
>> 
>> On Mon, Mar 20, 2017 at 10:05 AM Jared Planter <jaredplanter@gmail.com>
>> wrote:
>> 
>> I settled on the First Alert GC01CN. I couldn't find a documented failure
>> of the device and read nothing but positive reviews. Cheap construction and
>> cheap price but it's UL listed and alerts you when the sensor is no longer
>> good.
>> 
>> On Mon, Mar 20, 2017 at 05:07 Jim Felder <jim.felder@gmail.com> wrote:
>> 
>> Speaking of installations, what about the meter itself? Any
>> recommendations out there?
>> 
>> Jim
>> 
>> On Sun, Mar 19, 2017 at 9:17 PM Jared Planter <jaredplanter@gmail.com>
>> wrote:
>> 
>> Thanks Stuart, that confirms some of my research after sending the email. I
>> went ahead and went for it. The mailing list won't let me attach images, it
>> keeps rejecting them. Here's an IG link to the install:
>> https://instagram.com/p/BR16eJ-AQVe/
>> On Sun, Mar 19, 2017 at 17:38 Stuart MacMillan <stuartmacm@gmail.com>
>> wrote:
>> 
>>> CO is only slightly lighter than air and diffuses pretty evenly. For home
>>> use detectors should ideally be at 5 feet, but homes are large and have
>>> warm air currents that tend to circulate it higher up.  For the compact
>> van
>>> I'd put your multi detector low to detect the other gasses that do sink,
>>> and also always leave a window or the skylight  cracked open a bit.
>>> 
>>> Stuart
>>> 
>>> -----Original Message-----
>>> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
>>> Of Jared Planter
>>> Sent: Sunday, March 19, 2017 4:20 PM
>>> To: vanagon@GERRY.VANAGON.COM
>>> Subject: Multi gas detector location
>>> 
>>> Hey guys
>>> 
>>> I'm about to install this multi gas detector in our westy and I'm having
>>> second thoughts about installing it on the floor board of the rear bench.
>>> Here's why. The device detects propane, methane and carbon monoxide.
>>> Carbon monoxide is lighter than air and will rise, propane will do the
>>> opposite.
>>> Thus, this location would be good for propane detection but poor for
>>> carbon monoxide and the opposite for installing it higher up.
>>> 
>>> OR, am I over thinking this because the tiny space of a westy (80sqft)
>>> would fill up rather quickly anyways?
>>> 
>>> Thoughts?
>>> 
>>> Thanks,
>>> 
>>> Jared
>>> 
>>> 
>> 
>>