So let me get this right. FOR IN MY HOUSE, I could build a block wall, insulated with Sand, around the wood burner. How would I tie into my current duct work so that I can utilize the fan on my furnace to push heat upward. I really want to be able to get off the Gas Company teet this winter...it's unbelievabley expensive. In the garage, I'll just build around the barrel stove, filing the cores with sand. I doubt I'll need more than just the ambient heat, but if I do, I figured I could put a couple vent fans in to push heat around.