Long time reader, first time poster. After months of research I took the plunge and purchased a Jotul F400 Blue/Black Porcelain yesterday. I will be using it to partially heat a 1900 square foot 3 bedroom ranch in New Jersey, fairly well insulated. Im currently using a natural gas furnace. I wasnt looking for a stove to replace my furnace, just give it a rest once in a while. The F400 will sit in the corner of my living room, (20'x20') with ceiling fan and hopefully send some heat down the hallway to my bedroom. Getting the F500 was an option, but I did not want the size of the stove to over power a not so large room, also, budget concerns became an issue. Now, onto the next project,,designing/constructing the hearth pad.