[busterbrown]

Welcome,

The "Polar", "Arctic", "Thermal", etc. etc. packages are marketing fufu. Some manufacturers describe it as an "extended season" package, which I think is more appropriate.

We camped in our Bullet last April when we purchased it and nighttime temps were in the high 20's. The furnace ran frequently but did keep up during the night. We also added a couple of space heaters to keep the propane usage down.

We're deer hunting this weekend in it and temps will be in the high 20's again. Our deer camp will be cozy as both propane tank are full and we have enough gasoline for the generator to keep the electric going.