FYI I are in a elevated ranch, the stove is during the basement, non-insulated block wall, the upstairs is about 1200sqft sorta open flooring system, basement place is about 500 -600 sqft. I in the position to preserve the upstairs livingroom about 70deg when its about 10deg outside, definitely the https://eleanork815dsl8.wikibriefing.com/user