All depends on many factors: We ran ours on a low setting last Feb when we left Western New York for Florida. We had de-winterized the rig and needed to keep some heat in the belly to keep water lines and fresh water tank from freezing. Just to have the rig warn, don't think I would as it does take long to bring the temp up. So it depends on the reasons.
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2011 Chevy Silverado 3500HD Ext Cab LT DRW Duramax/Allison pulling a 2012 SOB (still Thor, but not a Keystone), Dual ACs, 4 Door Fridge, Fireplace, Sleep Number Bed, Level-Up Auto Levelers, Disc Brakes, Winegard DirecTV SlimLine Auto Dish, Onan 5.5K, Splendide Combo Washer/Dryer, GY G114s on HiSpec 17.5 wheels, TrailAir Tri-Glide Pin Box, Mor/ryde IS.
Michelle & Ann Sullivan and 4 American Shorthairs
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