SailorSam20500

Good chance you have electric heating pads on your water tanks (FW, grey, black). Do you have a switch on the main switch panel (slides, HW, etc)? If you have the pads, I would only use them when hooked to shore power. They would drain a battery in short order. I know they make AC and DC versions.

acdii

I doubt it, no switches for that. It is not a luxury trailer by any means either! LOL It is stored in my barn at the moment, keeping dry and somewhat warmer than if it were parked outside. Hardest part will be keeping rodents out.