Got this wood furnace from my oldest boys place. Insurance company wouldn't even insure them till it was gone. A little surface rust otherwise she be mint. Good fire brick, fan to circulate the heat an built well. Goodness knows it was heavy an a pain ta get outa his basement! Put it out...

I'm not shour if this is a good question as there may not be an exact answer but ill let you have it anyway. I was wondering if there was a formula for how much btu you would need to heat lets make it easy and say a 10x10 room (with wood) 65 70 degrees i don't know if im asking this question...