The wife and just did an overnight Dogsledding trip as part of our vacation. She does not do well in the cold....so this was a good introduction to winter camping. Temp was 10 at noon and dropped. Wind was 20 to 30. After the tent was setup and the stove was going maintained 60 inside. Toasty warm. We both were too hot sleeping at night. This was a guided trip...if i want to camp with the wife in the winter i am going to have to find one of these!