Yeah, I have heard of those before.
My stove is tiny - it barely has room to put wood in it, let alone a water-pipe coil.
It sounds like the best way to go is to wrap a coil of copper pipe around the base of the chimney pipe.
I measured my crawlspace, how many feet of insulation I would need, and the cost.
It looks like for about $900 I could fully insulate my entire crawl-space (think a concrete basement that is only 2-feet deep), using rigid pink foam.
Right now, the crawl space is pretty cold - 55 degrees? That is where all the air for the furnace comes from, and all the air from the cold air returns go to.
If I fully insulate the walls and floor of the crawlspace with 2" of extruded polystyrene, I should be able to have it the same temperature as the rest of the house.
Then I will start saving on my gas bill the rest of my life (or however long we are at this house)
I should also be able to set up some hot water in the crawlspace for my Polish Hydronic System.
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