TOP ESTATE SECRETS

FYI I live in a elevated ranch, the stove is from the basement, non-insulated block wall, the upstairs is about 1200sqft sorta open up floor prepare, basement region is about 500 -600 sqft. I able to continue to keep the upstairs livingroom about 70deg when its about 10deg outdoors, definitely the basement is much hotter.The one 'problem' I have is