Gray Henon wrote:Is your basement concrete other masonry? If so, it already has a tremendous thermal mass. In zone 4a, I'd be looking for ways to add insulation, seal gaps, improve windows, etc.
Jordan Holland wrote:It could cause the metal to get too hot if it can't shed heat fast enough. If it's in the basement, it may not help heat the upstairs much anyway. If the exhaust can go through a mass upstairs it might do ok, but there would need to be a strong draft, and it would need to be a clean burning stove to prevent creosote buildup.