I think you will find it fine for your purposes. In
the vanagon FAQ, there is a nice summary post from a
user in Alaska. The limiting factor is your battery,
not your propane.

http://gerry.vanagon.com/files/faq-busses.txt

--- Warren Chapman <vwsyncroguy@YAHOO.COM> wrote:
> Can those of you using Propex heaters report on your
> actual sue results
> (real experience).....  Heat output, propane and
> battery drain, etc.??
>
> I once owned a Eurovan camper that had a 12,000btu
> Suburban heater that was
> great (the best thing about the camper, in fact).
> I'm curious if the heat
> output of the Propex is sufficient.....seems like
> 6000btu may not make the
> grade.
>
> I know answers will be relative to the length of
> time in use and the
> outside temperature while camping.
>
> My particular interest is for cold nights and early
> mornings while camping
> in the CA Sierra's in the spring and fall (fishing
> season).....not for long
> term stays in the snow.
>
> TIA,
>
> Warren C.

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