I'd take a look at your local RV dealers and see what they are doing. Also the storage lots. I'll bet most folks don't do anything. I did see a similar post over on the Airstream forum a few days back. They had a unit buried on top and 3 sides by a huge drift!
Where is your unit parked. If you have it on AC power, stick a small electric heater in it. That will (SLOWLY) melt the snow....
BTW, we are having a heat wave - multiple days of record highs. 60+ today in SE Mich.
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S.E. Mich. Flagstaff 26FKWS / 2019 F-150 3.5 EcoBoost SCrew Propride