not sure why the inside of houses are warm with no heat. I can understand not having a wind chill but the inside temperature should be the same as outside unless you have a fire going. Which brings me to why dont they change it so you do need fire to keep warm even inside. to balance it all the sticks and logs would put out more heat and last much longer. And it could also be once the house is warm it would take several hours to drop down again once the fire is out. so say a 5 hour fire wil