I am wanting to install an indoor wood furnace into my basement. My chimney has a thimble at the first floor where I have a wood stove, the thimble in the basement currently has a oil furnace connected to it. The heat exchanger recently cracked on the oil furnace so I am wanting to put a wood furnace since my firewood is free. However, the people that built the chimney did not leave any room below the thimble. The thimble is directly at the bottom of the chimney across from the clean out door. Does this create a problem since I want a wood burning furnace? Would I just have to clean out the bottom of the chimney very often? Any help would be appreciated, I live in a 120 year old house that’s 2300 square feet so the one wood stove won’t cut it this winter and I hate heating with oil. Would this be okay to install or what should I do? Thanks