The 100 degree temp I would not worry about. But the single digit could be a problem . Is there a room where you could put the unit and also put a thermostat activated electric heater. they are very cheap and work very well in restrooms in warehouses and such to keep pipes from freezing . Also in an earlier post someone mentioned just building or buying a cabinet for the unit , the pc itself wil generate more heat than you think. If it is a fairly close quarters cabinet it will heat itself. Of course then you need to watch in the summertime for proper ventilation as the case will overheat. That can be solved by installing some small fans in the side of the case . I hope this helps .