Karl
> www.propexusa.com
>
>
  I'll take a pic or two of the one in the pop- up camper.  Suburban.  We
have one in a trailer, too...and that one IS pretty  big.  Had a motor home
with a big one, too.   The one in the little camper is about 8" x 8", the
exposed part and sticks out maybe an inch.. I think the cabinet it fits into
is no bigger than about 16"...Neat little heater and it does put out lots of
heat....but since it's controlled by a room thermostat and the thermostat is
adjustable to regulate the Start/stop temps...you can make it cycle on as
often as you like, depending on the temperature spread you tolerate.  It has
two small (1/1/2-2"?) ducts and also puts out heat right from the front of
the heater...  The main noise comes from the fan.

  Now down in the Desert, winter camping around motor homes with big
Suburban heaters, you can hear their heaters cycle on from about 1/4 mile
away on a quiet night...they back the heaters into a big compartment with
louvers to the outside so they don't need duct work for the air
intakes...You can hear the combustion chamber roaring as they burn up the
propane...

  Don Hanson