coalkirk wrote:I wish I had more time to elaborate but I don't right now. I've got 3 words for you. Boiler, boiler, boiler.
I know exactly the style home you have ...a home with a wonderful "get away" ability for everyone to have their own space! You are absolutely correct in your assumptions regarding the transfer of heat to all portions of an expanded multi level
Your not going to be heating the ceiling/floor above (at all) and your not going to be heating the finished lower level room (which im sure you have), and if you indeed have an "expanded" addition it will be like pulling teeth trying to get the warm toasy air into it from across the kitchen/dining area
The good news is you have oil heat and tankless h/w (the worst of the worst of the worst!!!) and nothing will please you more than taking that bleeding money pit and throwing it into a dumpster!
The bottom line is this... if you want a small little stove to heat the fireplace room and give some atmosphere at xmass with the tree than fine... if you wish to heat your whole house, save tons of money while doing... CoalKirk hit the nail on the head... for the love of god your perfectly set up for a coal boiler (if your new to coal and scared to take the plunge... get a coal boiler with oil backup Leisure Line WL-110 is my DREAM!!! you will never use the oil after you see how cheap and easy coal is (but at least its their to make you feel comfortable to take the plunge