Seems like a lot of propane to use. We spent a week with temps at night down to 15 F and in the 30's during the day. We used about 9 gallons every 5 to 6 days, and kept the thermostat at 70 to keep the basement warm.
Elliott & Vicky, and Sadie the GSD copilot
2014 36RE, Onan, Titan disc brakes, 17.5 inch Sailun H tires, lots of other options
2013 RAM 3500 CC, LB, DRW, Cummins, AISIN, 4x4