A camping forum for VW bus and camper owners.
I used the portable buddy on an overnight that got down to 22 degrees. Not sure about the newer models but this one ran for 4 hours on a can of coleman propane. I was nervous though and wanted to play it safe. This thing doesn't have an O2 sensor that I know of to automatically shut off so I kept the 2 front windows cracked to provide fresh air to avoid any carbon monoxide disasters. Went to sleep, the heater ran the propane can dry in the night and my gf and I nearly froze to death. I certainly came very close to frost bite on my feet. If we were better prepared for the weather with cold weather sleeping bags and warmer clothes we probably would have been a bit better off but we went expecting overnight temps in the lower 40's. Oops. I now have a small electric heater. Used it once and it worked well. Probably needs a little air for safety but won't run out of propane and shut off in the night leaving you in the cold until you wake up shivering with burning feet. Of course electric hook ups aren't always available. Was thinking a generator would solve that problem but for that amount of money you could install the propex furnace.