And I need help catching it! But, seriously. We just bought a lightly used 2014 Flagstaff Highwall (HW27SC if it matters) a couple weeks ago. First PUP ever- we just graduated from tents. The PUP was winterized, but we took it out the first weekend and un-winterized it. Then, last weekend, as happens a lot here, we got another light freeze. So, we decided to do camp driveway and run the furnace in an attempt to get away without re-winterizing. It seems to have worked- plus it was fun. The low that night was 30 degrees F. So, a light freeze, not awful. We have the furnace that came with the PUP- A suburban either NT-16SEQ or NT-20SEQ (Not sure which it is, b/c the book that came with the PUP covers both.) We still have the standard thermostat that has no temperature specification, just about 10 levels from low to high. I just got a replacement thermostat so we can actually set a temperature, but haven't installed it yet. Saw several threads on that, so I hope to get that done this weekend. So, the night we spent in the driveway, it was 30 degrees out, and we set the thermostat at about 1/3 of the way up. To be clear, less than halfway. The furnace ran, and put out heat. LOTS of heat in the area right around it (kitchen/bath/back bunk), and we were comfortable under the covers with the dog in the front bunk far from the furnace. We did use one of the bunk end fans to get some circulation of the heat. We have not installed any sort of extra insulation- no bunk end covers, no reflectix in the windows, nothing yet. But it wasn't very windy and I didn't feel any significant drafts. My question is: The furnace ran ALL NIGHT. Never once shut off. I see posts where people doing power calculations assume that the furnace will run 15 minutes out of every hour. This was definitely not our experience. Is this normal at that outside temp, or should I start looking for an issue with the furnace? Is 1/3 too high for me to set the thermostat? I don't know what it equates to in actual temperature, but we keep the house set to 58 at night, and I felt that the PUP was probably slightly lower than that, 50-55 probably. I didn't have a thermometer handy at the time. Thanks everyone!