Running the Furnace

Yes but as another has just posted it may blow out.

I run mine.

That is asked just about daily. And the daily answer is yes you can same as the fridge.

the answer is yes with the furnace but the statement about the frig is not all that true. if you were to read what the professionals say about that they would strongly say NO for safety's sake. And I agree with the pro's on that one

One would assume a "proffesional " wrote the manual for my Dometic fridge that goes into detail how to operate it while going down the road.

I have never had any problems running our furnace or fridge on propane while on the move, even with the older standing pilots. I fail to see where there would be a problem, but I am far from an expert or professional. Brian

Yes. Run your furnace. No problem
Yes. Run your refrigerator. No problem (and no safety issue).
You are not asking a dumb question by any means. As you can see, the answers are all over the place (including off topic....the fridge) and you need to filter out the accurate info. If you see 10 times as many yes', then that would be the correct answer.

Thanks to everyone!! Fairly new to RVing and about to travel into frigid conditions and I don't think the dash heater will keep up??

Its not a dumb question, but just one that is difficult to do a word search for. Every propane furnace in an RV, there is an inlet and an outlet. They are side by side. The reason for this is so that the inlet and the outlet see the same pressure. This means the fan will still put the same air flow over the flame, regardless of the air pressure or lack of air pressure surrounding the inlet and outlet. Yes, it is specifically designed to work while going down the road, or in any other environment.

To those who say NO, show me that in the manufacturer's manual. It is not there. If the manufacturer thought it was unsafe, they would surely tell you not to do it. Instead, they design their product specifically so you can use it while moving. Travel in comfort. Use the furnace.