I'll second the comments on the Propex.  I have on in my '90, installed by
Karl, and it does the job.  There are other solutions (like heaters powered
by diesel or gasoline) but the Propex is the easiest to acquire and install.

On Wed, Apr 23, 2008 at 8:58 AM, Jamie Fitterer <fittdog8848@hotmail.com>
wrote:

> ANyone have any ideas besides running a space heater off of the secondary
> batery for heating a van for winter camping.  I seem to remember that
> someone years ago had a small RV furnace put in a WESTY and running it off
> the propane tank.  Anyone that has done this or has ideas please help.
>