I try to use mine off and on all Winter, and of course, it is milder here in OK than in Nanook land. No slur intended. I have a small solar battery charger I set on the windshield cover in the winter to keep the truck battery charged. I of course run my generator and have it pull a load each month for a couple hours.A small electric heater warms things up and makes a nice load for the gen set. Stabil in the gas tank, even though I will run it and try to add fresh gas every couple months, at least if we have not gone somewhere. Winter trips are fun too, as then the AC does not have to run all night and you can heat with 110 heaters. Our units work well in winter with a little common sense, such as not using the water system and putting anti-freeze in the holding tank. Burlmart is right on the money with moving the rig if possible, to keep bearings and seals lubricated and avoid flat spots. I park mine under cover now over dry gravel, and inspect for signs of new corrosion when I visit since I must store away from my house. If you store on your property, you can leave the rig plugged in, but BEWARE, most of our units have converters that will boil the batteries dry if given the chance, so either unplug and recharge regularly or make sure to check the house battery regularly and add water as needed. My storage area offers 110 volt for plug in so maintaining charge is not a problem for me, but I do not leave it plugged in all the time. If the weather report calls for VERY cold night temps, I will make a special trip to plug in and keep the batteries under charge from the converter. There is good info in the tech articles on this very subject. Do a search on Winter storage and you will get lots of info.