Hello all. This may be a silly question, but I wanted some input from some rv'ers who may be more experienced than we are. We own a 33ft Coachman Mirada. I know that the chassis ac is not for cooling the whole unit, and have read that I can run the house ac with the generator running while driving. (Want to make sure our pets are comfortable while we drive!) Is this common practice and if so, does it add considerably to fuel usage? Thanks in advance for any info. If this has been covered elsewhere, my apologies.Jeff & ShawnTae, Heidi and Bobo

I have a 34' Winnebago Brave and travel With 5 cats. I run both the front and rear acs while traveling. Gas usage is not enough to be concerned about. I think I saw somewhere that stated about 1 mpg/hour. Doesn't matter. We do enjoy our comforts.

This question has been asked many times, and it's a good question. YES, you can run your generator and roof A/C while driving. It does not hurt anything.The MPG increase is minimal. Just remember to check the oil level in the generator.Keep cool and enjoy your travels.

We use the roof top a/c as needed when travelling. I can't really tell a lot of difference in mpg but honestly I never check. You do need to keep your fuel tank above the automatic shut off though. Remember that fuel sloshes around so it may trip your genny off if it gets too low.

"The MPG increase is mineable"... pretty sure you figured out it's a mineable decrease. Your can expect your generator will use a little less than a gallon/hour.

Yes, run the gen and run the AC. We run the genset on every trip we take, it's good to exercise it under load. We bought a MH for all the comforts of home while travelling.

Running the AC while driving | Good Sam Community

25 Replies

Effy
Explorer II
Apr 24, 2017
Yes, run the gen and run the AC. We run the genset on every trip we take, it's good to exercise it under load. We bought a MH for all the comforts of home while travelling.
Ivylog
Explorer III
Apr 24, 2017
"The MPG increase is mineable"... pretty sure you figured out it's a mineable decrease. Your can expect your generator will use a little less than a gallon/hour.
Campinghoss
Explorer II
Apr 24, 2017
We use the roof top a/c as needed when travelling. I can't really tell a lot of difference in mpg but honestly I never check. You do need to keep your fuel tank above the automatic shut off though. Remember that fuel sloshes around so it may trip your genny off if it gets too low.
gbopp
Explorer
Apr 24, 2017
This question has been asked many times, and it's a good question.

YES, you can run your generator and roof A/C while driving. It does not hurt anything.
The MPG increase is minimal.

Just remember to check the oil level in the generator.

Keep cool and enjoy your travels.
Cat_Lady
Explorer
Apr 24, 2017
I have a 34' Winnebago Brave and travel With 5 cats. I run both the front and rear acs while traveling. Gas usage is not enough to be concerned about. I think I saw somewhere that stated about 1 mpg/hour. Doesn't matter. We do enjoy our comforts.

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Running the AC while driving

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